Names
- Morgan, Angela, 1874-19571
- Morgan, Angela, 1874-1957.1
- Morgan, G. Campbell (George Campbell), 1863-1945.1
- Morgan, G. Campbell, (1863- )1
- Morrill, J. L. (James Lewis), 1891-1979.1
- Morrill, James Lewis, 1891-1
- Murfin, James Orin, 1875-1940.1
- Murphy, Frank, 1890-1949.1
- Musser, Benjamin Francis1
- Musser, Benjamin Francis.1
- National Anti-Saloon League1
- National Cathedral Association1
- National Cathedral Association.1
- National Kindergarten Association1
- National Kindergarten Association.1
- National League of American Pen Women.1
- National Music League1
- National Music League.1
- National Unemployment League1
- National Unemployment League (U.S.)1