- FondsClarkson - Papers of Thomas Clarkson
- SeriesFolder 8 - Miscellaneous Papers
- ItemDoc 189 - Autographed letter, from Mrs Houston to St John's College Librarian, dated November 1929
- ItemDoc 190 - Autographed letter, from Professor Griggs to St John's College Librarian, dated 28 August 1932.
- ItemDoc 191 - Autographed letter, from Professor Griggs to St John's College Librarian, dated 15 September 1932 ?
- ItemDoc 192 - Autographed letter, from Professor Griggs to St John's College Librarian, dated 18 January 1933
- ItemDoc 193 - Autographed letter, from Augustus Clarkson to St John's College Librarian, dated 6 March 1933
- 7 more...