- Galilei, Galileo, 1564-1642 -- Correspondence
- World War, 1939-1945 + Journalists -- Correspondence
- War correspondents -- United States -- Correspondence
- Hughes, Langston, 1902-1967 -- Correspondence
- Posavec, Stefanie -- Correspondence -- Pictorial works
- Lee, Harper -- Correspondence
- Naturalists -- United States -- Correspondence
- Galilei, Maria Celeste, 1600-1634 -- Correspondence
- Cox, LeOna Kriesel -- Correspondence
- Goodall, Jane, 1934- -- Correspondence
- Mothers and sons -- United States -- Correspondence
- Hickok, Lorena A. -- Correspondence -- Fiction
- Biologists -- United States -- Correspondence
- Vanderbilt, Gloria, 1924-2019 -- Correspondence
- Pancake, Breece D'J, 1952-1979 -- Correspondence
- Dramatists, American -- 20th century -- Correspondence
- Adult children -- Correspondence
- United States -- History -- Revolution, 1775-1783 -- Correspondence -- Juvenile literature
- Alexander, Eileen, 1917-1986 -- Correspondence
- Serial murderers -- Correspondence
- Authors, American -- 20th Century -- Correspondence
- Novelists, English -- 20th century -- Correspondence
- Plath, Sylvia -- Correspondence
- Publishers and publishing -- United States -- Correspondence
- Reagan, Nancy, 1923- -- Correspondence
- Textile workers -- New England -- Correspondence
- Cronkite, Walter -- Correspondence
- Williams, Marie, 1885-1931 -- Correspondence
- Christie, Agatha, 1890-1976 -- Correspondence
- Cronkite, Betsy, -2005 -- Correspondence
- Washington, George, 1732-1799 -- Correspondence
- Prisoners -- Louisiana -- Angola -- Correspondence
- Juliet (Fictitious character) -- Correspondence -- Drama
- Presidents' spouses -- United States -- Correspondence -- Fiction
- Journalists -- United States -- Correspondence
- Authors, French -- 19th century -- Correspondence
- Parkhurst, John, 1826-1917. -- Correspondence
- Williams, Tennessee, 1911-1983 -- Correspondence
- Alifirenka, Caitlin -- Correspondence
- African American authors -- Correspondence
- Le Carré, John, 1931-2020 -- Correspondence
- Novelists, English -- 19th century -- Correspondence
- O'Keeffe, Georgia, 1887-1986 -- Correspondence
- Files, James E., James Earl, 1942- -- Correspondence
- Wilson, Edward O. -- Correspondence
- White, E. B., Elwyn Brooks, 1899-1985 -- Correspondence
- Political activists -- Correspondence
- Ciaglia, Anthony -- Correspondence