- Jackson, Shirley, 1916-1965 -- Correspondence
- Vonnegut, Kurt -- Correspondence
- Alexander, Boyd, 1873-1910 -- Correspondence
- Ginsberg, Allen, 1926-1997 -- Correspondence
- Air pilots -- Correspondence
- Jews -- Poland -- Correspondence -- Fiction
- Hope, Bob, 1903-2003 -- Correspondence
- World War, 1939-1945 -- Correspondence
- Blake, Harrison G., Harrison Gray, 1818-1876 -- Correspondence
- Adams, John, 1735-1826 -- Correspondence
- Authors, American -- 19th century -- Correspondence
- Authors, English -- Correspondence
- Composers -- Correspondence
- Booksellers and bookselling -- Correspondence
- Nordstrom, Ursula -- Correspondence
- Montgomery, L. M., Lucy Maud, 1874-1942 -- Correspondence
- Pollitzer, Anita, 1894-1975 -- Correspondence
- Kerouac, Jack, 1922-1969 -- Correspondence
- Kacandes, Irene, 1958- -- Correspondence
- Authors, American -- 20th century -- Correspondence
- Presidents -- United States -- Correspondence
- Camondo, Moïse de, comte, 1860-1935 -- Correspondence
- African Americans -- Massachusetts -- New Bedford -- Correspondence
- Gordon, Steve, 1956- -- Correspondence
- Married people -- United States -- Correspondence
- Soldiers -- United States -- Correspondence -- Drama
- Galilei, Galileo, 1564-1642 -- Correspondence
- Custer, George A., George Armstrong, 1839-1876 -- Correspondence
- Musicians -- Correspondence
- Roosevelt, Eleanor, 1884-1962 -- Correspondence -- Fiction
- African American artists -- Correspondence
- Reagan, Ronald -- Correspondence
- Shakespeare, William, 1564-1616 -- Correspondence -- Fiction
- Presidents' spouses -- United States -- Correspondence
- Motion picture producers and directors -- United States -- Correspondence
- Lewis, C. S., Clive Staples, 1898-1963. -- Correspondence
- Mothers and sons -- United States -- Correspondence
- Hickok, Lorena A. -- Correspondence -- Fiction
- Biologists -- United States -- Correspondence
- Vanderbilt, Gloria, 1924-2019 -- Correspondence
- Gay men -- United States -- Correspondence
- Authors, American -- 20th century -- Correspondence -- Drama
- Textile workers -- New England -- Correspondence
- Couples -- United States -- Correspondence
- Kameny, Frank, 1925-2011 -- Correspondence
- Michelangelo Buonarroti, 1475-1564 -- Correspondence
- Thoreau, Henry David, 1817-1862 -- Correspondence
- Naturalists -- United States -- Correspondence
- Women artists -- United States -- Correspondence
- Wheeler, Sara -- Correspondence -- Juvenile literature