| 
                  4-1
                | 
               
                  Historische Geologie - Atlas
                   
                | 
            
            
                | 
               
                   German manuscript, hand drawn diagrams, line maps, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 4 cm, 1 file
                  Inventory Identifier 4-1
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-2
                | 
               
                  Facies
                   
                | 
            
            
                | 
               
                   Manuscript notebook, draft, reprinted German typescript, German manuscript, printed map of Suursaari (Finnish island). 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1946 - 
                    
                  Quantity 1.5 cm, 1 file
                   
                  Inventory Identifier 4-2
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-3
                | 
               
                  La frontière entre le Cambrien et l'Infracambrien en Australie
                   
                | 
            
            
                | 
               
                   Two typescript copies of paper presented to the conference, 'Les relations entre Précambrien et Cambrien', 'Problemes des series Intermediaires', Paris 1957; photographic plates from BMR Bulletin 64 'Queensland Cambrian'. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range June 1957 - July 1957
                    
                  Quantity 0.3 cm, 1 file
                   
                  Inventory Identifier 4-3
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-4
                | 
               
                  The Hypostomata of Australian Oouchometopidae
                   
                | 
            
            
                | 
               
                   Manuscript notes, diagrams, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.2 cm, 1 file
                  Inventory Identifier 4-4
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-5
                | 
               
                  Fossiles Camricos Del Cerro Aspero, Mendoza - Carlos Russoni
                   
                | 
            
            
                | 
               
                   Manuscript notes. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1952
                    
                  Quantity 0.2 cm, 1 file
                   
                  Inventory Identifier 4-5
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-6
                | 
               
                  Notes
                   
                | 
            
            
                | 
               
                   Manuscript notes, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.2 cm, 1 file
                  Inventory Identifier 4-6
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-7
                | 
               
                  Notes
                   
                | 
            
            
                | 
               
                   Manuscript notes, tables, references, geological map of Border Waterhole area, Queensland and NT. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s - 1970s
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-7
                   Box Number 16
                   Series 4
                  
                | 
            
            
               | 
                  4-8
                | 
               
                  Field notebooks
                   
                | 
            
            
                | 
               
                   Bound notebooks with details of field trips, including Devoncourt, Brightlands, O'Hara, Ardmare, Kallala, Mayfair, Chatworth. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1954
                    
                  Quantity 3 cm, 1 file
                   
                  Inventory Identifier 4-8
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-9
                | 
               
                  Field notebook
                   
                | 
            
            
                | 
               
                   Bound notebook, field trips in Ida Bay region (Tasmania). 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1956
                    
                  Quantity 1.4 cm, 1 file
                   
                  Inventory Identifier 4-9
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-10
                | 
               
                  Field notebook
                   
                | 
            
            
                | 
               
                   Bound notebook, Boulia region (Queensland) field trip. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1957
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-10
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-11
                | 
               
                  Field notebook
                   
                | 
            
            
                | 
               
                   Bound notebook, Mt. Isa area (Queensland) field trip. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1958
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-11
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-12
                | 
               
                  Field notebook
                   
                | 
            
            
                | 
               
                   Bound notebook, field trip in Central Australia. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1959
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-12
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-13
                | 
               
                  The Land Surfaces of the Isa Highlands
                   
                | 
            
            
                | 
               
                   Typescripts of "The Land Surfaces of the Isa Highlands, Northwest Queensland", and "The Isa Highlands, Northwest Queensland - An example of a complex multicyclic landscape", co-authored by A. A. Öpik and C. R. Twidale; with covering letters from Twidale. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1966 - 1978
                    
                  Quantity 0.6 cm, 1 file
                   
                  Inventory Identifier 4-13
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-14
                | 
               
                  Methods and Philosophy in Systematics
                   
                | 
            
            
                | 
               
                   Manuscript and typescript drafts, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.5 cm, 1 file
                  Inventory Identifier 4-14
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-15
                | 
               
                  Alimentary Caeca of Agnostids and other Trilobites
                   
                | 
            
            
                | 
               
                   Typescript, photographic plates, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 2 cm, 1 file
                  Inventory Identifier 4-15
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-16
                | 
               
                  The Boundary between the Cambrian and the Precambrian in Australia - Correspondence - CV
                   
                | 
            
            
                | 
               
                   Typescript and manuscript draft, manuscript draft of curriculum vitae, French correspondence. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1957 - 1960
                    
                  Quantity 0.2 cm, 1 file
                   
                  Inventory Identifier 4-16
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-17
                | 
               
                  Diagrams - Drawings
                   
                | 
            
            
                | 
               
                   Diagrams, line drawings, including transparencies, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 2.5 cm, 1 file
                  Inventory Identifier 4-17
                   Box Number 17
                   Series 4
                  
                | 
            
            
               | 
                  4-18
                | 
               
                  Geology of Estonia(?)
                   
                | 
            
            
                | 
               
                   Estonian typescript, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 4.5 cm, 1 file
                  Inventory Identifier 4-18
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-19
                | 
               
                  Manuscripts
                   
                | 
            
            
                | 
               
                   Manuscripts, includes: results from Ida Bay field trip, 1950; research notes; species lists; reprint of 'Tectonics and Associated Volcanic Activity in the Central Part of Australian New Guinea', Australian Journal of Science, vol. 15 (1953) pp.115-117. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1950 - c. 1954
                    
                  Quantity 2.8 cm, 1 file
                   
                  Inventory Identifier 4-19
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-20
                | 
               
                  Reprints
                   
                | 
            
            
                | 
               
                   Reprints of "Revisione dei trilobiti del Cambriano dell'Iglesiente (Sardegna) descritti da Meneghini", M.L. Nicosia and F. Rasetti, Memorie, Vol X, 1970; "Cambrian trilobite Faunas of Sardinia" F. Rasetti, Memorie, Vol XI, 1972; "Los Trilobites de las capas de Saukianda, Cámbrico inferior, en Andalucia", G. Henningsmoen, Estudios Geológicos, Vol XIV, 35-36, 1957; undated manuscripts, unlabelled black and white photographs. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1957 - c. 1972
                    
                  Quantity 1.8 cm, 1 file
                   
                  Inventory Identifier 4-20
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-21
                | 
               
                  Lectures
                   
                | 
            
            
                | 
               
                   Manuscript lecture notes, table, newspaper clipping, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.4 cm, 1 file
                  Inventory Identifier 4-21
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-22
                | 
               
                  Dolomite
                   
                | 
            
            
                | 
               
                   Typescripts, manuscript lecture notes, transparency, report on 20th International Geological Congress, United States travels. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1956 - 1958
                    
                  Quantity 1 file
                   
                  Inventory Identifier 4-22
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-23
                | 
               
                  Cambrian/Precambrian boundary in Australia
                   
                | 
            
            
                | 
               
                   Typescript, manuscript notes. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1957
                    
                  Quantity 0.3 cm, 1 file
                   
                  Inventory Identifier 4-23
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-24
                | 
               
                  Published typescripts
                   
                | 
            
            
                | 
               
                   Typescripts, tables, figures, diagrams. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 1.5 cm, 1 file
                   
                  Inventory Identifier 4-24
                   Box Number 18
                   Series 4
                  
                | 
            
            
               | 
                  4-25
                | 
               
                  Olenidae - Olenus
                   
                | 
            
            
                | 
               
                   Manuscript draft, notes. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 1 cm, 1 file
                   
                  Inventory Identifier 4-25
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-26
                | 
               
                  Genus Aulacodigma
                   
                | 
            
            
                | 
               
                   Manuscript. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 0.2 cm, 1 file
                   
                  Inventory Identifier 4-26
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-27
                | 
               
                  Symposium on the Present Status of Continental Drift, Hobart
                   
                | 
            
            
                | 
               
                   Correspondence, symposium programme, chairman's brief, manuscript notes, summing up (unpublished). 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1956
                    
                  Quantity 0.4 cm, 1 file
                   
                  Inventory Identifier 4-27
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-28
                | 
               
                  The Palaeogeography of Northern Europe
                   
                | 
            
            
                | 
               
                   Manuscript. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 0.4 cm, 1 file
                   
                  Inventory Identifier 4-28
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-29
                | 
               
                  Notes
                   
                | 
            
            
                | 
               
                   Notes, map, lists. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1948
                    
                  Quantity 0.2 cm, 1 file
                   
                  Inventory Identifier 4-29
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-30
                | 
               
                  BMR Bulletin 64 - Early Upper Cambrian fossils from Northern Queensland
                   
                | 
            
            
                | 
               
                   Manuscript draft. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1961
                    
                  Quantity 6 cm, 1 file
                   
                  Inventory Identifier 4-30
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-31
                | 
               
                  ANZAAS and other publications
                   
                | 
            
            
                | 
               
                   Typescript ANZAAS reports, symposium notes, manuscript notes, correspondence. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1948 - 1952
                    
                  Quantity 3 cm, 1 file
                   
                  Inventory Identifier 4-31
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-32
                | 
               
                  ANZAAS Section C - Canberra
                   
                | 
            
            
                | 
               
                   Typescripts, reports. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1954
                    
                  Quantity 1.5 cm, 1 file
                   
                  Inventory Identifier 4-32
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-33
                | 
               
                  ANZAAS Section C
                   
                | 
            
            
                | 
               
                   Typescripts, figures, maps. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 1 cm, 1 file
                   
                  Inventory Identifier 4-33
                   Box Number 19
                   Series 4
                  
                | 
            
            
               | 
                  4-34
                | 
               
                  Middle Cambrian Agnostids - Thorax measurements - Maps
                   
                | 
            
            
                | 
               
                   Manuscript notes, geological maps, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.4 cm, 1 file
                  Inventory Identifier 4-34
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-35
                | 
               
                  Contribution to the Stratigraphical Colloquium
                   
                | 
            
            
                | 
               
                   Typescript draft, final copy, index cards, manuscript notes, copy of paper presented to 'Les relations entre Précambrien et Cambrien', Paris 1957. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1957 - 1961
                    
                  Quantity 0.6 cm, 1 file
                   
                  Inventory Identifier 4-35
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-36
                | 
               
                  Eksogeenne dünaamika
                   
                | 
            
            
                | 
               
                   Estonian manuscript. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1930s
                    
                  Quantity 2 cm, 1 file
                   
                  Inventory Identifier 4-36
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-37
                | 
               
                  Draft paper
                   
                | 
            
            
                | 
               
                   Estonian manuscript, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 2.4 cm, 1 file
                  Inventory Identifier 4-37
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-38
                | 
               
                  The orocline concept in geotectonics - Referee's comments
                   
                | 
            
            
                | 
               
                   Manuscript draft of referee's comments, typescript correspondence regarding the same. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1954
                    
                  Quantity 0.2 cm, 1 file
                   
                  Inventory Identifier 4-38
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-39
                | 
               
                  The Cambrian and Ordovician sequence, Cambridge Gulf area, Western Australia - Reports - Lectures
                   
                | 
            
            
                | 
               
                   Typescripts. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1960s
                    
                  Quantity 0.3 cm, 1 file
                   
                  Inventory Identifier 4-39
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-40
                | 
               
                  Notes
                   
                | 
            
            
                | 
               
                   Manuscript notes, tables. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s - 1970s
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-40
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-41
                | 
               
                  ANZAAS, Brisbane
                   
                | 
            
            
                | 
               
                   Meeting circulars, programme, manuscript notes, typescript reports, papers, tables. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1951
                    
                  Quantity 1.2 cm, 1 file
                   
                  Inventory Identifier 4-41
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-42
                | 
               
                  Publications - Notes
                   
                | 
            
            
                | 
               
                   Reprints from the Pan-Pacific Science Congress, Australia 1923, 'The Geology of Royal Park', 'The Geology of Studley Park', 'Excursion to Lancefield and Monegeeta'; ANZAAS paper, 'Silurian-Devonian Committee Report by Dorothy Hill'; 'Stratigraphy, Geological History, Tectonical Structure and Physiography of Canberra' by A. A. Öpik; maps, manuscript notes and table. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1953 - 1954
                    
                  Quantity 1.5 cm, 1 file
                   
                  Inventory Identifier 4-42
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-43
                | 
               
                  Publications - Correspondence - Notes
                   
                | 
            
            
                | 
               
                   Various correspondence, English and German; reprint from the Australian Journal of Science, 'Stratigraphic Nomenclature', 12:170, 1950; Geological Society of Australia News Bulletin, April 1956, manuscript notes, map. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1950s
                    
                  Quantity 1 cm, 1 file
                   
                  Inventory Identifier 4-43
                   Box Number 20
                   Series 4
                  
                | 
            
            
               | 
                  4-44
                | 
               
                  Superfamily Raymondinacea
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 3.5 cm, 1 file
                  Inventory Identifier 4-44
                   Box Number 21
                   Series 4
                  
                | 
            
            
               | 
                  4-45
                | 
               
                  Superfamily Anomocaracea and Blouutiinae
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 3.5 cm, 1 file
                  Inventory Identifier 4-45
                   Box Number 21
                   Series 4
                  
                | 
            
            
               | 
                  4-46
                | 
               
                  Superfamily Rhyssometopacea
                   
                | 
            
            
                | 
               
                   Manuscript draft. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range c. 1963
                    
                  Quantity 3.2 cm, 1 file
                   
                  Inventory Identifier 4-46
                   Box Number 21
                   Series 4
                  
                | 
            
            
               | 
                  4-47
                | 
               
                  Cambrian palaeogeography
                   
                | 
            
            
                | 
               
                   Manuscript notes, descriptions of figures, bibliography. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Date range 1960s
                    
                  Quantity 2.5 cm, 1 file
                   
                  Inventory Identifier 4-47
                   Box Number 21
                   Series 4
                  
                | 
            
            
               | 
                  4-48
                | 
               
                  Polymeriol Trilobites
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 2.5 cm, 1 file
                  Inventory Identifier 4-48
                   Box Number 21
                   Series 4
                  
                | 
            
            
               | 
                  4-49
                | 
               
                  Genus Peronopsis, Hawke and Carda, 1847
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 4.5 cm, 1 file
                  Inventory Identifier 4-49
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-50
                | 
               
                  Superfamily Rhyssometopacea
                   
                | 
            
            
                | 
               
                   Manuscript notes, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.2 cm, 1 file
                  Inventory Identifier 4-50
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-51
                | 
               
                  Genus Pagodia, Walcott, 1905
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.2 cm, 1 file
                  Inventory Identifier 4-51
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-52
                | 
               
                  Superfamily Damesellacea, Kobayaolü(?), 1935
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 3 cm, 1 file
                  Inventory Identifier 4-52
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-53
                | 
               
                  Superfamily Dikelocephalacae, Miller, 1889
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 2.5 cm, 1 file
                  Inventory Identifier 4-53
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-54
                | 
               
                  Family Conokephalinidae, Hupé, 1955
                   
                | 
            
            
                | 
               
                   Manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-54
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-55
                | 
               
                  Family Plectriferidae and others
                   
                | 
            
            
                | 
               
                   Manuscript drafts, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-55
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-56
                | 
               
                  Damesellacae
                   
                | 
            
            
                | 
               
                   Manuscript notes, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-56
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-57
                | 
               
                  Damesellacae, Walcott
                   
                | 
            
            
                | 
               
                   Manuscript notes and tables, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-57
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-58
                | 
               
                  Taxonomy, Phyletic
                   
                | 
            
            
                | 
               
                   Manuscript notes, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-58
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-59
                | 
               
                  Stratigraphy
                   
                | 
            
            
                | 
               
                   Typescript and manuscript draft, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 1.2 cm, 1 file
                  Inventory Identifier 4-59
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-60
                | 
               
                  Acadian Correlations
                   
                | 
            
            
                | 
               
                   Manuscript tables of classification comparisons, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.1 cm, 1 file
                  Inventory Identifier 4-60
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-61
                | 
               
                  Bibliography Notes
                   
                | 
            
            
                | 
               
                   Typescript publication details and manuscript details of same, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 1.1 cm, 1 file
                  Inventory Identifier 4-61
                   Box Number 22
                   Series 4
                  
                | 
            
            
               | 
                  4-62
                | 
               
                  Notes, Photo-card index; RD10, AS32, CG51/1
                   
                | 
            
            
                | 
               
                   Manuscript notes, figures, photograph index card file, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 1 cm, 1 file
                  Inventory Identifier 4-62
                   Box Number 23
                   Series 4
                  
                | 
            
            
               | 
                  4-63
                | 
               
                  Diagrams - Trilobites
                   
                | 
            
            
                | 
               
                   Photocopies, manuscript diagrams, n.d. 
                  
                  Creator Armin Aleksander Öpik
                   
                  Quantity 0.2 cm, 1 file
                  Inventory Identifier 4-63
                   Box Number 23
                   Series 4
                  
                |