- Feminists -- United States -- Correspondence
- Puritans -- Rhode Island -- Correspondence
- Grandfathers -- Correspondence
- Artists -- Netherlands -- Correspondence
- Physicists -- United States -- Correspondence
- Lévy, Bernard-Henri -- Correspondence
- Dickens, Charles, 1812-1870 -- Correspondence
- Vonnegut, Kurt -- Correspondence
- Benjamin, Walter, 1892-1940 -- Correspondence
- Vettese, Maria Alexandra -- Correspondence
- Thurber, James, 1894-1961 -- Correspondence
- Authors, Danish -- 20th century -- Correspondence
- Lowell, Robert, 1917-1977 -- Correspondence
- Child, Julia -- Correspondence
- DeVoto, Avis -- Correspondence
- Jews -- Poland -- Correspondence -- Fiction
- Unmarried couples -- United States -- Correspondence
- Moltke, Freya von -- Correspondence
- Bush, George, 1924-2018 -- Correspondence
- Biologists -- Correspondence
- Drama teachers -- Correspondence
- Bishop, Elizabeth, 1911-1979 -- Correspondence
- Barry, Susan R. -- Correspondence
- Humorists, American -- 20th century -- Correspondence
- Japanese American children -- Correspondence -- Juvenile literature
- Gogh, Anna van, 1855-1930 -- Correspondence
- Soldiers -- United States -- Correspondence -- Drama
- Dinesen, Isak, 1885-1962 -- Correspondence
- Children -- United States -- Correspondence
- Jews, Polish -- United States -- Correspondence
- Authors, English -- 19th century -- Correspondence
- Robbins, Jerome -- Correspondence
- Beaumont, Gustave de, 1802-1866 -- Correspondence
- Cleveland, Rose Elizabeth, 1846-1918 -- Correspondence
- Schlesinger, Bernard, 1896-1984 -- Correspondence
- Bahlmann, Anna Catherine, 1849-1916 -- Correspondence
- Adams, John, 1735-1826 -- Correspondence
- Poets, English -- 19th century -- Correspondence
- Solá family -- Correspondence
- Pioneers -- Rhode Island -- Correspondence
- Roosevelt, Eleanor, 1884-1962 -- Correspondence -- Fiction
- Military spouses -- United States -- Correspondence
- Authors, American -- 19th century -- Correspondence
- Gottlieb, Daniel, 1946- -- Correspondence
- Authors, English -- Correspondence
- Cooks -- United States -- Correspondence
- Ellison, Ralph -- Correspondence
- Bukowski, Charles -- Correspondence
- Married people -- United States -- Correspondence
- Constable, John, 1776-1837 -- Correspondence