- Temple, O., Olive, 1880-1936 -- Correspondence
- Stewart, Elinore Pruitt, 1876-1933 -- Correspondence
- Schlesinger, Winifred, 1897-1986 -- Correspondence
- Baker, Benjamin Webb, 1841-1909 -- Correspondence
- Holmes, Sherlock -- Correspondence -- Fiction
- Fletcher family -- Correspondence
- Tolkien, J. R. R., Tolkien, J. R. R., John Ronald Reuel, John Ronald Reuel, 1892-1973., 1892-1973 -- Correspondence
- Geer, George S. -- Correspondence
- Bonhoeffer, Dietrich, 1906-1945 -- Correspondence
- Women authors, American -- 20th century -- Correspondence
- Authors, English -- 20th century -- Correspondence
- Austen, Jane, 1775-1817 -- Correspondence
- Fisher, Murray William, 1921- -- Correspondence
- Cash, Vivian, 1934-2005 -- Correspondence
- Children -- Correspondence
- James family -- Correspondence
- Dickinson, Emily, 1830-1886 -- Correspondence
- Poets, American -- 20th century -- Correspondence
- Mothers and sons -- United States -- Correspondence
- Biologists -- United States -- Correspondence
- Vanderbilt, Gloria, 1924-2019 -- Correspondence
- Cash, Johnny -- Correspondence
- Russia -- Kings and rulers -- Correspondence
- Adult children -- Correspondence
- Cronkite, Walter -- Correspondence
- Couples -- United States -- Correspondence
- Authors -- Correspondence
- Prime ministers' spouses -- Great Britain -- Correspondence
- Alexandra, Empress, consort of Nicholas II, Emperor of Russia, 1872-1918 -- Correspondence
- Soldiers -- Rhode Island -- Correspondence
- Country musicians -- United States -- Correspondence
- Death -- Correspondence -- Drama
- Bishop, Elizabeth, 1911-1979 -- Correspondence
- Sailors -- United States -- Correspondence
- Philologists -- England -- Correspondence
- Married people -- United States -- Correspondence
- Women pioneers -- Wyoming -- Correspondence
- Novelists, American -- 19th century -- Correspondence
- Sisters -- England -- Correspondence
- Adams, John, 1735-1826 -- Correspondence
- Schlesinger, Bernard, 1896-1984 -- Correspondence
- Time -- Correspondence -- Drama
- Prime ministers -- Great Britain -- Correspondence
- Authors, American -- 20th century -- Correspondence
- Pioneers -- Wyoming -- Correspondence
- Presidents -- United States -- Correspondence
- Soldiers -- United States -- Correspondence -- Drama
- Galilei, Galileo, 1564-1642 -- Correspondence
- Nobility -- Great Britain -- Correspondence
- Love -- Correspondence -- Drama