Three letters from W. M. Childs, The Principal, re appointment and housing; one from R. L. Pearson; one from F. H. Wright, Registrar, 1910, 1912.

Formal letters and memoranda concerned with dissenting opinion expressed by a minority of six professors including Duffield; pamphlet entitled 'An Appeal Against the Form of Constitution...'; memoranda and letters from W. M. Childs; press cuttings; copies of letters from Sir J. Larmor, Sir W. Raleigh, Sir H. Jones, original of letter to Duffield from Sir Ernest Rutherford, 1912-1915.

Address delivered by Duffield at Reading, 10 May 1913.

Certificate of national registration, documents re enlistment, letter from Duffield to Major Egginton, 1915.

Correspondence, notes, memoranda concerning the possible work towards the war effort in science departments, the particular uses to which their equipment and staff might be put; correspondence re munitions work, chemistry graduates, June-July 1915.

Letters volunteering services to do munitions work in College, July 1915.

Memorandum from Duffield discussing arrangements for munitions work, related correspondence, formal letter from Duffield to Rt. Hon. Lloyd George offering and outlining services, July - February 1916.

Re lathes, 27 September 1915.

Diagram of connections of telephone, and covering letter from R. L. Pearson, 28 October 1915.

Correspondence with the War Office - Sir Alfred Keogh, Colonel Stanistreet - re serum supply for Army, November 1915.

Typescript and related correspondence, November 1915.

Correspondence and invoices from Holbrook & Sons for various machinery, such as lathes and saws, November 1915.

Formal letter from the Royal Society asking for a list of suitably trained men, census card and covering letter from Duffield, January 1916.

Copy of war service register form completed by Duffield; correspondence (including Duffield, Sir Francis Hopwood, Sir Arthur May, Henry Bassett, P. W. Hewitt, R. Stenhouse Williams) re manufacture of drugs at Reading chemical laboratories, 1915, January 1916.

Letter to Mrs. Childs from H. Sclater thanking her for hospital work; letters to Duffield from R. Pearson, F. Haghoe, F. G. Kydd, Muirhead Collins, J. Burgess; and from Duffield to Ken Duffield, and photograph of same, 1918-1919, 1925.

Correspondence from friends and relatives expressing congratulations on new appointment and farewell; photograph, 1923.

Formal congratulations by colleagues from Reading in the form of a small booklet, 15 March 1924.

Correspondence relating to the Duffield Exhibition awarded annually to a student at Reading, [1925] 1930-1938, 1947.

Press cutting, 'University for Reading', The Reading Standard, 5 June 1925; photocopied extract from Making a University by W. M. Childs, and from The University of Reading by J. C. Holt; chronology of events relating to university buildings; photocopied notes by J. G. Jenkin concerning materials re Duffield at Reading (see 1/14), 1925, [1933], [1966], 1977, 1983.

Photographs: one of Duffield alone, two with Mrs. Duffield and friends, several with other men in uniform, n. d. [c. 1916-1918].