Names
- Maddy, Joseph E. (Joseph Edgar), 1891-1966.1
- Malcolm, George A. (George Arthur), 1881-1961.1
- Mapes, Carl Edgar, 1874-1939.1
- Marshall, George C. (George Catlett), 1880-1959.1
- Marshall, S. L. A. (Samuel Lyman Atwood), 1900-1977.1
- Matthaei, Frederick C. (Frederick Carl), 1892-1973.1
- Maverick, Maury, 1895-1954.1
- McCallum, George P. (George Porterfield), 1871-1952.1
- Meader, George, 1907-1994.1
- Mershon, Wm. B. (William Butts), 1856-1943.1
- Michener, Earl C. (Earl Cory), 1876-1957.1
- Michigan Memorial Phoenix Project.1
- Moody, Blair, 1902-1954.1
- Morgenthau, Henry, 1856-1946.1
- Mott, Charles Stewart, 1875-1973.1
- Murfin, James Orin, 1875-1940.1
- Murphy, Frank, 1890-1949.1
- Murrow, Edward R.1
- National Association for the Advancement of Colored People.1
- National Research Council (U.S.)1