- Motion picture actors and actresses -- United States -- Correspondence
- Alifirenka, Caitlin -- Correspondence
- African American authors -- Correspondence
- Hemingway, Ernest, 1899-1961 -- Correspondence
- Mothers -- United States -- Correspondence
- Mandela, Nelson, 1918-2013 -- Correspondence
- Bukowski, Charles -- Correspondence
- Oates, Joyce Carol, 1938- -- Correspondence
- Presidents -- South Africa -- Correspondence
- Married people -- United States -- Correspondence
- Douglas, A. I., Anne Isabel -- Correspondence
- Authors, German -- 20th century -- Correspondence
- Gogh, Theo van, 1857-1891 -- Correspondence -- Juvenile literature
- Gogh, Vincent van, 1853-1890 -- Correspondence -- Juvenile literature
- Heads of state -- Correspondence
- Authors, American -- 20th century -- Correspondence -- Drama
- Artists -- Mexico -- Correspondence
- Hanff, Helene -- Correspondence
- Generals -- United States -- Correspondence
- Flynt, Wayne, 1940- -- Correspondence
- Schlesinger, Winifred, 1897-1986 -- Correspondence
- Rilke, Rainer Maria, 1875-1926 -- Correspondence
- Entertainers -- United States -- Correspondence
- Jefferson, Thomas, 1743-1826 -- Correspondence
- Nash, Ira P., 1774-1844 -- Correspondence
- Hughes, Langston, 1902-1967 -- Correspondence
- Shaikh, Aftab Yusuf -- Correspondence
- Mothers and daughters -- Correspondence
- Presidents -- United States -- Correspondence
- Buffett, Warren -- Correspondence
- Authors, American -- 20th century -- Correspondence
- Lee, Harper -- Correspondence
- Douglas, Kirk, 1916- -- Correspondence