- Blake, Harrison G., Harrison Gray, 1818-1876 -- Correspondence
- Presidents -- South Africa -- Correspondence
- Bukowski, Charles -- Correspondence
- Japanese American children -- Correspondence -- Juvenile literature
- Gogh, Theo van, 1857-1891 -- Correspondence -- Juvenile literature
- Children -- Italy -- Correspondence -- Juvenile literature
- Soldiers -- Vermont -- Correspondence
- Mozart, Wolfgang Amadeus, 1756-1791 -- Correspondence
- Authors, American -- 20th century -- Correspondence
- Beaumont, Gustave de, 1802-1866 -- Correspondence
- Time -- Correspondence -- Drama
- Child, Julia -- Correspondence
- DeVoto, Avis -- Correspondence
- Theologians -- Germany -- Correspondence
- Death -- Correspondence -- Drama
- Dickens, Charles, 1812-1870 -- Correspondence
- Vonnegut, Kurt -- Correspondence
- Astrophysicists -- United States -- Correspondence
- Soldiers -- United States -- Correspondence -- Drama
- Children -- United States -- Correspondence
- Wedemeyer, Maria von, 1924-1977 -- Correspondence
- United States, President (2009- : Obama) -- Correspondence
- Love -- Correspondence -- Drama
- Painters -- Netherlands -- Correspondence -- Juvenile literature
- Lennon, John, 1940-1980 -- Correspondence -- Drama
- Breed, Clara E. -- Correspondence -- Juvenile literature
- Bonhoeffer, Dietrich, 1906-1945 -- Correspondence
- Poets, American -- 20th century -- Correspondence
- Artists -- United States -- Correspondence
- Knausgård, Karl Ove, 1968- -- Correspondence
- Actors -- Correspondence
- Ganda, Martin -- Correspondence
- Authors, American -- 19th century -- Correspondence
- Political prisoners -- South Africa -- Correspondence
- Authors, English -- Correspondence
- Cooks -- United States -- Correspondence
- Booksellers and bookselling -- Correspondence
- Soldiers -- United States -- Correspondence
- Davis, Eliza -- Correspondence -- Juvenile literature
- Motion picture actors and actresses -- Correspondence
- Alexander, Eileen, 1917-1986 -- Correspondence
- Serial murderers -- Correspondence
- Tyson, Neil deGrasse -- Correspondence
- Cronkite, Betsy, -2005 -- Correspondence
- Juliet (Fictitious character) -- Correspondence -- Drama
- Obama, Barack -- Correspondence
- Mothers and sons -- United States -- Correspondence
- Children -- Correspondence -- Juvenile literature
- Biologists -- United States -- Correspondence
- Vanderbilt, Gloria, 1924-2019 -- Correspondence