- Artists -- Correspondence
- Prisoners -- France -- Correspondence
- Merton, Thomas, 1915-1968 -- Correspondence
- Child, Julia -- Correspondence
- Knausgård, Karl Ove, 1968- -- Correspondence
- Motion picture actors and actresses -- Correspondence
- Schlesinger, Bernard, 1896-1984 -- Correspondence
- Beaumont, Gustave de, 1802-1866 -- Correspondence
- O'Connor, Flannery -- Correspondence
- Mothers and sons -- Correspondence -- Humor
- Breed, Clara E., Clara Estelle, 1906-1994 -- Correspondence
- Dahl, Roald -- Correspondence
- Lee, Robert E., Robert Edward, 1807-1870 -- Correspondence
- Trappists -- Correspondence
- Dickinson, Emily, 1830-1886 -- Correspondence
- Jackson, Shirley, 1916-1965 -- Correspondence
- Niedecker, Lorine -- Correspondence
- Veterans -- Wisconsin -- Correspondence
- Poets, American -- 20th century -- Correspondence
- Alexander, Eileen, 1917-1986 -- Correspondence
- Novelists, English -- 20th century -- Correspondence
- Dickinson, Susan Huntington, 1830-1913 -- Correspondence
- Bush, George, 1924- -- Correspondence
- Mothers and sons -- Correspondence
- Serial murderers -- Correspondence
- Galilei, Galileo, 1564-1642 -- Correspondence
- Physicists -- Correspondence
- Artists -- Colombia -- Correspondence
- Russia -- Kings and rulers -- Correspondence
- Cooks -- Correspondence
- Adult children -- Correspondence
- Thompson, Hunter S. -- Correspondence
- Doel, Frank -- Correspondence
- Nelson, Willie, 1933- -- Correspondence
- Authors, American -- 19th century -- Correspondence
- Newton, James King, d. 1892 -- Correspondence
- Reagan, Ronald -- Correspondence
- Lennon, John, 1940-1980 -- Correspondence
- Rock musicians -- England -- Correspondence
- Vérant, Samantha -- Correspondence
- Ganda, Martin -- Correspondence
- Booksellers and bookselling -- Great Britain -- Correspondence
- Onassis, Jacqueline Kennedy, 1929-1994 -- Correspondence
- Cooper, Anderson -- Correspondence
- Soldiers -- Canada -- Correspondence
- Gogh, Vincent van, 1853-1890 -- Correspondence
- Douglas, Kirk, 1916-2020 -- Correspondence
- Vonnegut, Kurt -- Correspondence
- Poets, English -- 19th century -- Correspondence
- Presidents' spouses -- Correspondence -- Fiction