Most of the files contain five or more letters. Some files include letters from more than one member of a family, and the larger correspondences occupy two or more files.

Modern reprint of a photograph taken on the morning after the King's College May Ball. Includes Sir John Clapham and his family. Photographer: William Saunders.

This collection comprises correspondence and lecture notes, with a commonplace book and a few miscellaneous personal papers.

Photographer: J Palmer Clarke, Cambridge. Also includes a manuscript letter from Clapham sending the photographs to the College.

Photographer: Hulton Press Ltd, for 'Picture Post'.

1 autograph letter signed, concerning JHC's return to King's College as Assistant Tutor and Dean, 11 Dec. 1907. The file also contains 1 mimeographed sheet of JHC's 'Private and irresponsible notes made at a Congregation holden on March 2, 1912 and summoned for 11.0 A.M.' concerning the punctuality of Fellows.

1 autograph letter, signed.

3 autograph letters signed.

2 autograph letters, signed.

The file contains 14 letters from Oscar Browning to Charles Webster 1904-1923, a menu for a 1908 Political Society dinner to honour Oscar Browning signed by J.T. Sheppard, B.F. Crewdson, E.G. Selwyn, J. Gordon Bennett, Austen Chamberlain, Oscar Browning, Herbert Stephen, Charles Trevelyan, E.C. Selwyn, A.C. Pigou, Donald W. Corrie, J.H. Clapham and others, and one 1916 letter from J.H. Clapham to Sir Charles Webster including reminiscences. Correspondence about the accession is included.

Typescript [1930]. Includes:
Page proofs and an off-print from 'The Cambridge Historical Journal' Vol. III, No.2, 1930 with autograph manuscript annotations.
A typescript list of people to be sent off-prints.
2 typescript drafts containing comments by J.H. Clapham.
2 autograph letters, signed, from J.H. Clapham to John Saltmarsh, 8 May [?1930].