- Larsson, Stieg, 1954-2004 -- Correspondence
- Authors, Scottish -- 19th century -- Correspondence
- Ekelund, Fredrik, 1953- -- Correspondence
- Jackson, Shirley, 1916-1965 -- Correspondence
- Vonnegut, Kurt -- Correspondence
- Authors, Danish -- 20th century -- Correspondence
- Lowell, Robert, 1917-1977 -- Correspondence
- Jews -- Poland -- Correspondence -- Fiction
- Paul, Celia, 1959- -- Correspondence
- Dinesen, Isak, 1885-1962 -- Correspondence
- Celan, Paul -- Correspondence
- Prisoners of war -- Germany -- Berlin -- Correspondence
- Lawyers -- United States -- Correspondence
- Knausgård, Karl Ove, 1968- -- Correspondence
- Grant, Ulysses S., Ulysses Simpson, 1822-1885 -- Correspondence
- Laughlin, James, 1914-1997 -- Correspondence
- Poets, English -- 20th century -- Correspondence
- Presidents' spouses -- United States -- Correspondence
- Drama teachers -- Correspondence
- Beauvoir, Simone de, 1908-1986 -- Correspondence
- Kerouac, Jack, 1922-1969 -- Correspondence
- Authors, American -- 20th century -- Correspondence
- Presidents -- United States -- Correspondence
- Stevenson, Robert Louis, 1850-1894 -- Correspondence
- Camondo, Moïse de, comte, 1860-1935 -- Correspondence
- Merrill, James, 1926-1995 -- Correspondence
- Presidents -- South Africa -- Correspondence
- Ellison, Ralph -- Correspondence
- Bukowski, Charles -- Correspondence
- Married people -- United States -- Correspondence
- Constable, John, 1776-1837 -- Correspondence
- Diplomats -- Correspondence
- Blake, Harrison G., Harrison Gray, 1818-1876 -- Correspondence
- Adams, John, 1735-1826 -- Correspondence
- Authors, American -- 19th century -- Correspondence
- Political prisoners -- South Africa -- Correspondence
- Authors, English -- Correspondence
- Churchill, Randolph Spencer, Lady, 1854-1921 -- Correspondence
- Booksellers and bookselling -- Correspondence
- Authors, German -- 20th century -- Correspondence
- Heuzé, Marcel, 1912-1992 -- Correspondence
- Ruhl, Sarah, 1974- -- Correspondence
- Gunn, Thom -- Correspondence
- Mothers and sons -- United States -- Correspondence
- Biologists -- United States -- Correspondence
- Vanderbilt, Gloria, 1924-2019 -- Correspondence
- Women dramatists, American -- 20th century -- Correspondence
- Dickinson, Emily, 1830-1886 -- Correspondence
- Poets, American -- 20th century -- Correspondence
- Historians -- United States -- Correspondence