Various letters, mainly from colleagues requesting reprints or information, includes Allison R. Palmer, C. R. Twidale, A. H. Low; black and white photographs with corresponding letter, Estonian correspondence.

Correspondence in English, German, Estonian, French, concerning publications, reprints, comments on papers, receipts.

Various correspondence, includes: organisation of colloquiums and conferences; details of current conodont research; requests for assessment of grant applications (and drafts of replies); letter from Ellis L. Yochelson; report on Allison R. Palmer's visit to Australia; list of Australian Palaeontological Research Projects; Commission on Stratigraphy Circular 7, 1965, with details of 22nd IGC Meeting; manuscript drafts of Monthly Reports, April, March, May 1961; BMR Christmas Greetings cards.

Correspondence with E. J. Guzman (International Geological Congress) concerning chairing a session of the 1956 Congress and Max Banks (University of Queensland); manuscript drafts regarding awarding of the Walcott medal, typescript acceptance letter to Dr H. L. Dryden (National Academy of Sciences, Washington) 1962; black and white photograph.

Various correspondence including M. F. Glaessner, Edmund D. Gill, Frank Robbins, S. M. Rowe, O. N. Warin; price list for Palaeontological Research Institution publications, 1957; circular and News of the Geological Society of Australia.

Agnostids descriptions from Allison R. Palmer, manuscript notes, black and white photograph.

Correspondence with N. J. McMillan, Tenneco Oil Company, including copy of letter from D. O. Nelson to McMillan; manuscript draft of reply, black and white photograph.

Correspondence with Royal Society of Canberra (W. J. Perry and N. H. Fisher), Allison R. Palmer, Bob Henderson, S. S. Goldich, Jim Jago, D. A. Brown (Geological Society of Australia), A. M. Cooney, R. A. Robinson and others, with drafts of replies in some cases; manuscript bibliography; Commission on Stratigraphy Circular 8, 1971; ANZAAS concerning membership; BMR reports on sample cores.

Correspondence with Ellis L. Yochelson, Allison R. Palmer, Peter Jell, and others; details concerning 'Palaeogeographic Provinces and Provinciality' Symposium, 1972; photocopies of fossil descriptions.

Various correspondence, BMR Bulletin corrections, manuscript notes.

Typescript copy of United Nations memorandum, addressed to Dr. Fisher; manuscript notes.

Correspondence with D. A. Brown, J. N. Casey; summary of activities for January-March 1965.

Letter from G. Z. Fölonary, manuscript notes.

Typescript paper with covering note, figures.

Letter from Per Ahlberg; Circular 12, 1976, of the IUGS Commission on Stratigraphy with supplement regarding 25th IGC Meeting; address list of members of Subcommission on Cambrian Stratigraphy.

Australian Atomic Energy Commission programme, various postcards, address cards and greeting cards.

Notebook with carbon copies of manuscript letters sent out by Öpik, various correspondence, including that from N. H. Fisher.

Notebook of carbon copies of manuscript correspondence, letter from Geological Society of Australia.

Book of carbon copies of manuscript correspondence.

Book with copies of manuscript correspondence, typescript correspondence from W. N. Benson and others, copy of the Australian Code of Stratigraphic Nomenclature, manuscript notes.

Letters from Dorothy Hill, F de Keyser and others, book with carbon copies of correspondence.

Writing pad with carbon copies of letters sent out, letter from D. A. Brown.

Writing pad with copies of correspondence, letters from D. A. Brown.

Carbon copies of correspondence in writing pad, letter from D. A. Brown.

Notebook with copies of letters, sketches.

Writing pad with carbon copies of correspondence.

Pad with copies of correspondence, letter from D. A. Brown.

Personal and professional correspondence from Ellis Yochelson, greeting cards with family news.

Typescript report assessing fire damage to equipment and specimens.

Typescript letters received from G. M. Philip.

Various correspondence from the Geological Society, mostly with editors of the Society's Journal, D. A. Brown and J. E. Glover.

Commission on Stratigraphy Circulars 1 (1965), 5 (1969), 7 (1970) with address lists of members attached to each, related correspondence.

Manuscript list of Öpik's publications held by the Academy, letter from T. G. Room concerning the Academy's administration.

Geological Society of London publication appealing for funds to upgrade its premises, related correspondence.

Correspondence relating to the appointment of J. H. Shergold as Lecturer in Geology at Macquarie University.

Lists of geological reprints held by the Department of Geology, correspondence relating to the election of members of Council by Convocation.

Copy of ANZAAS Constitution, correspondence relating to funding.