Names
- Martin, Francis John, Jr.1
- Martin, John W.1
- Martin, Malachi1
- MartÃ, José (1853-1895)1
- Marvin, Gloria1
- Maryland Lithographic Company1
- Masefield, John, 1878-19671
- Massaguer, Conrado Walter, 1889-19651
- Mathews, John E., Jr., 1920-19881
- Mathews, John E., Jr., 1920-1988.1
- Mayer, Oscar G. (Oscar Gottfried, 1888-1965)--Correspondence.1
- Mayes, Lois -- Correspondence.1
- Mayfield, John1
- Maynard, Zollie M.1
- Mayo, Charles W. (Charles William, 1898-1968)--Correspondence.1
- McAdoo, W. G. (William Gibbs), 1863-19411
- McCabe, James C. (James C.) (19)1
- McCarty, Dan1
- McCarty, Dan, 1912-19531
- McConaughy family.1