- Alastair Reid Poem, 1973/19741
- C. Ernest Cooke Papers, 1920/19601
- Cecil Day-Lewis Papers, 1935/19681
- Elizabeth Cleghorn Gaskell and Ellen Archer Letters, 19091
- Evert B. Clark Papers, 1948/19881
- Henry D. Thoreau Letter, 18551
- Henry James Letters, 1889/19091
- James Dean Collection, 1961/19881
- Michael Collins Papers, 1907/20041
- Moses M. Strong Letter, 18861
- Owen Wister Papers, 1900/19251
- R. M. Ballantyne Letters, 1883/18841
- Sherwood Anderson Correspondence with Llewellyn Jones, 1916/19241
- Thomas De Quincey Papers1
- Tiffany Trent Papers, 1996/20181