- 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, Danish -- 20th century -- Correspondence
- Lowell, Robert, 1917-1977 -- Correspondence
- Jews -- Poland -- Correspondence -- Fiction
- Larsson, Stieg, 1954-2004 -- Correspondence
- Authors, Scottish -- 19th century -- Correspondence
- Ekelund, Fredrik, 1953- -- Correspondence
- Steinbeck, John, 1902-1968 -- Correspondence
- Jackson, Shirley, 1916-1965 -- Correspondence
- Vonnegut, Kurt -- 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
- 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
- Paul, Celia, 1959- -- Correspondence
- Dinesen, Isak, 1885-1962 -- Correspondence
- Celan, Paul -- Correspondence
- Drama teachers -- Correspondence
- Authors, German -- 20th century -- Correspondence
- Hardwick, Elizabeth -- Correspondence
- Cather, Willa, 1873-1947 -- Correspondence
- Roosevelt, Eleanor, 1884-1962 -- Friends and associates. -- 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
- Ganda, Martin -- Correspondence
- Lennon, John, 1940-1980 -- Correspondence -- Drama
- Prisoners of war -- Germany -- Berlin -- Correspondence
- Lawyers -- United States -- Correspondence
- Dramatists, American -- 20th century -- Correspondence
- Soccer fans -- Sweden -- Correspondence
- Authors, French -- 20th century -- Correspondence
- Proust, Marcel, 1871-1922 -- Correspondence