- Women -- United States -- 19th century -- Correspondence
- World War, 1914-1918 -- Correspondence
- Feminists -- United States -- Correspondence
- Burroughs, William S., 1914-1997 -- Correspondence
- Poets, American -- Colonial period, ca. 1600-1775 -- Correspondence
- Gogh, Wil van, 1862-1941 -- Correspondence
- Artists -- Netherlands -- Correspondence
- Nabokov, Vladimir Vladimirovich, 1899-1977 -- Correspondence
- Physicists -- United States -- Correspondence
- Poets, American -- 20th century -- Correspondence
- Cosway, Maria Hadfield, 1759-1838 -- Correspondence
- Austen, Jane, 1775-1817 -- Correspondence
- Authors, Russian -- 20th century -- Correspondence
- Nouwen, Henri J. M. -- Correspondence
- Snyder, Gary, 1930- -- Correspondence
- Authors -- Correspondence -- Juvenile literature
- United States -- History -- Revolution, 1775-1783 -- Correspondence -- Juvenile literature
- Tolkien, J. R. R., John Ronald Reuel, 1892-1973 -- Correspondence
- Statesmen -- Virginia -- Correspondence
- Mandela, Nelson, 1918-2013 -- Correspondence
- College students -- Germany -- Correspondence
- Scholars -- Great Britain -- Correspondence
- Poets, American -- 19th century -- Correspondence
- Women pioneers -- Wyoming -- Correspondence
- Gordon, Steve, 1956- -- Correspondence
- Wright, Orville, 1871-1948 -- Correspondence
- Douglas, A. I., Anne Isabel -- Correspondence
- Wayne, John, 1907-1979 -- Correspondence
- Authors, English -- 20th century -- Correspondence
- Authors, German -- 20th century -- Correspondence
- Novelists, English -- 19th century -- Correspondence
- Married people -- United States -- Correspondence
- Fleming, Ian, 1908-1964 -- Correspondence
- Christian converts -- Great Britain -- Correspondence
- Wilder, Laura Ingalls, 1867-1957 -- Correspondence
- Roosevelt, Eleanor, 1884-1962 -- Correspondence -- Fiction
- Chandler, Raymond, 1888-1959 -- Correspondence
- Isherwood, Frank, 1869-1915 -- Correspondence
- Breed, Clara E., Clara Estelle, 1906-1994 -- Correspondence -- Juvenile literature
- Wilson, Edward O. -- Correspondence
- Artists -- France -- Correspondence
- Humorists, American -- 20th century -- Correspondence
- Monet, Claude, 1840-1926 -- Correspondence
- Sailors -- United States -- Correspondence
- Stewart, Elinore Pruitt, 1876-1933 -- Correspondence
- Gogh, Vincent van, 1853-1890 -- Correspondence -- Juvenile literature
- Temple, O., Olive, 1880-1936 -- Correspondence
- Cartoonists -- United States -- Correspondence
- Scholl, Sophie, 1921-1943 -- Correspondence
- Soldiers -- United States -- Correspondence