- Religion historians -- United States -- Correspondence
- Leonard, Daniel, 1740-1829 -- Correspondence
- Japanese Americans -- Correspondence
- Roosevelt, Eleanor, 1884-1962 -- Correspondence
- Oppenheimer, J. Robert, 1904-1967 -- Correspondence
- Falvey, David, David A. -- Correspondence -- Juvenile literature
- Periodical editors -- United States -- Correspondence
- Freed persons -- Correspondence
- Williams, John A., 1925-2015 -- Correspondence
- Soldiers -- Correspondence -- Drama
- Kazan, Elia -- Correspondence
- Truman, Harry S., 1884-1972 -- Correspondence
- Naturalists -- England -- Correspondence
- Mumford, Lewis, 1895-1990 -- Correspondence
- Nardi, Marcia -- Correspondence
- Merrill, James, 1926-1995 -- Correspondence
- Shaw, Robert Gould, 1837-1863 -- Correspondence
- Civil rights workers -- Mississippi -- Correspondence
- Lenya, Lotte -- Correspondence
- Alcott, Abba May, 1800-1877 -- Correspondence
- Stevens, Elsie Viola Kachel Moll, 1886-1963 -- Correspondence
- Presidents -- South Africa -- Correspondence
- Children -- Correspondence -- Juvenile fiction
- Medical personnel -- United States -- Correspondence
- Soldiers -- Massachusetts -- New Bedford -- Correspondence -- Juvenile literature
- Painters -- Mexico -- Correspondence
- Dickinson, Emily, 1830-1886 -- Correspondence
- Lévy, Bernard-Henri -- Correspondence
- Berlin, Lucia -- Correspondence
- French -- Germany -- Berlin -- Correspondence
- Jackson, George, 1941-1971 -- Correspondence
- Strachey, James -- Correspondence
- Authors, Scottish -- 19th century -- Correspondence
- King, Isabella Greenway, 1886-1953 -- Correspondence
- Physicists -- Correspondence
- Love -- Correspondence -- Drama
- Mandela, Winnie -- Correspondence
- Women abolitionists -- United States -- Correspondence
- Sailors -- Great Britain -- Correspondence
- Diplomats -- Europe -- Correspondence
- Soldiers -- Pennsylvania -- Correspondence
- Fisher, Eliza Middleton, 1815-1890 -- Correspondence
- Reich, Wilhelm, 1897-1957 -- Correspondence
- Israel -- Armed Forces -- Officers -- Correspondence
- Johnson, Joyce, 1935- -- Correspondence
- Leary, Timothy, 1920-1996 -- Correspondence
- Philosophers -- Correspondence
- Mortimer, Charlie, 1952- -- Correspondence
- Schlesinger, Arthur M., Jr., Arthur Meier, 1917-2007 -- Correspondence
- Actors -- Great Britain -- Correspondence