- Mencken, H. L., Henry Louis, 1880-1956 -- Correspondence
- Soldiers -- Maine -- Correspondence
- Disraeli, Benjamin, Earl of Beaconsfield, 1804-1881 -- Correspondence
- Lawrence, Amos, 1786-1852 -- Correspondence
- World War, 1939-1945 + Women -- United States -- Correspondence
- First ladies -- Correspondence -- United States
- Photographers -- England -- Correspondence
- Veterans -- Maine -- Correspondence
- Merton, Thomas, 1915-1968 -- Correspondence
- Bradford, Selina Louisa Forester Bridgman, Countess of, d. 1894 -- Correspondence
- Cilley, Jonathan, 1802-1838 -- Family -- Correspondence
- Wheatley, Phillis, 1753-1784 -- Correspondence
- Anglicists -- Great Britain -- Correspondence
- Cilley, Deborah Prince, 1808-1844 -- Correspondence
- Child, Julia -- Correspondence
- Lawrence, Elizabeth, 1904-1985 -- Correspondence
- Musicians -- Europe -- Correspondence
- Russians -- Correspondence
- Women authors, American -- 20th century -- Correspondence
- Elizabeth, Queen, consort of George VI, King of Great Britain, 1900-2002 -- Correspondence
- Wilde, Oscar, 1854-1900 -- Correspondence
- Miller, Henry, 1891-1980 -- Correspondence
- Beard, Mary Ritter, 1876-1958 -- Correspondence
- Soldiers -- Maine -- Belfast -- Correspondence
- Soldiers -- Great Britain -- Correspondence
- Authors, South African -- 20th century -- Correspondence
- Jews -- Germany -- Correspondence
- Cilley, Jonathan, 1802-1838 -- Correspondence
- Cleveland, Rose Elizabeth, 1846-1918 -- Correspondence
- Longfellow, Henry Wadsworth, 1807-1882 -- Correspondence
- Prime ministers -- Great Britain -- Correspondence
- Painters -- France -- Correspondence
- Cheever, John -- Correspondence
- Neumeyer, Peter F., 1929- -- Correspondence
- Jews -- Netherlands -- Amsterdam -- Correspondence
- Psychoanalysts -- Correspondence
- Davis, Eliza -- Correspondence -- Juvenile literature
- O'Malley, Ernie, 1898-1957 -- Correspondence
- Trevor-Roper, H. R., Hugh Redwald, 1914-2003 -- Correspondence
- James, Henry, 1843-1916 -- Correspondence
- Greene, Graham, 1904-1991 -- Correspondence
- Authors, Polish -- Correspondence
- Sewall, Arthur, 1835-1900 -- Correspondence
- Authors, German -- 18th century -- Correspondence
- Roosevelt, Franklin D., Franklin Delano, 1882-1945 -- Correspondence
- Stibbe, Nina -- Correspondence
- Fink, Galit -- Correspondence
- Robbins, Jerome -- Correspondence
- Motion picture actors and actresses -- Correspondence
- Psychoanalysts -- Austria -- Correspondence