Collection
- Frank Sypher papers, 1831-19891
- Frederick Coykendall letters collection, 1778-19411
- George A. Plimpton collection of portraits, 1550-19201
- George Dunlop papers, 1716-19081
- Giles Cooper Papers, 1945-19841
- Gordon Norton Ray letters collection, 1661-19761
- Graham Greene letters, 1933-19901
- H. Rider Haggard papers, 1866-19561
- Harold Matson Company Inc. records, 1937-19801
- Harper & Brothers Records, 1817-19291
- Harris-Oliphant papers, 1867-19401
- Havelock Ellis letters, 1894-19501
- Hjalmar Hjorth Boyesen papers, 1880-18951
- Hodder and Stoughton records, 1875-19141
- Holbrook Jackson papers, 1930-19491
- Ifan Kyrle Fletcher letters, 1926-19691
- Independent Literary Agents Association records, 1975-19891
- Jack Harris Samuels English and American literary manuscripts and letters collection, [1630]-19641
- James Gilvarry literary letters and manuscripts, 1885-19271
- John Cowper Powys papers, 1935-19621