- Watson, John H., active 1849 -- Correspondence
- Guerrillas -- Northern Ireland -- Correspondence
- Authors, Mexican -- 20th century -- Correspondence
- Juliet (Fictitious character) -- Correspondence -- Drama
- MacVeagh, Franklin, 1837-1934 -- Correspondence
- Irish Americans -- Massachusetts -- Boston -- Correspondence
- Bradbury, Ray, 1920-2012 -- Correspondence
- Kennedy, Edward M., Edward Moore, 1932-2009 -- Correspondence
- Hubbard, L. Ron, La Fayette Ron, 1911-1986 -- Correspondence
- Gallatin, Albert, 1761-1849 -- Correspondence
- Hedge, Frederic H., Frederic Henry, 1831-1918 -- Correspondence
- Bradley, Helen, 1890-1979 -- Correspondence
- Biographers -- United States -- Correspondence
- Boudinot, Harriett Gold -- Family -- Correspondence
- Bodwell, Eliza Foster -- Correspondence
- Elias, Clifford E., 1930- -- Correspondence
- Burton, Martin Nelson -- Correspondence
- Nicolosi, Santo P. -- Correspondence
- Lincoln, Abraham, 1809-1865 -- Correspondence
- Harlan, Emma -- Correspondence
- O'Donoghue, Jopsephine, 1891-1966 -- Correspondence
- Queirós, Eça de, 1845-1900 -- Correspondence
- Davis, Eliza -- Correspondence -- Juvenile literature
- Dowling, Patricia -- Correspondence
- Conductors (Music) -- United States -- Correspondence
- Soldiers -- Massachusetts -- Correspondence
- Kivell, Francis -- Correspondence
- African American authors -- Correspondence
- Le Carré, John, 1931-2020 -- Correspondence
- Reynolds, Mary -- Correspondence
- Beecher, Lyman, 1775-1863 -- Correspondence
- Welsh, Peter, 1830-1864 -- Correspondence
- Sherman, Charles G. -- Correspondence
- Lawrence, Abbott, 1792-1855 -- Correspondence
- Revolutionaries -- Ireland -- Correspondence
- Novelists, American -- 20th century -- Correspondence
- Sellers, V. T., Valentine T. -- Correspondence
- Moynihan, Michael -- Correspondence
- Political activists -- Correspondence
- Markey, Edward J. -- Correspondence
- Koh, EJ, 1988- -- Correspondence
- Goodnough, X. H., X. Henry -- Correspondence
- Scientologists -- United States -- Correspondence
- Edwards, Jorge -- Correspondence