Names
- Mooney, Thomas J., 1882-1942.1
- Mooney, Tom1
- Morgan, Albert Talmon, 1841-19221
- Morgan, Albert Talmon, 1841-1922.1
- Morgan, Angela, 1874-19571
- Morgan, Angela, 1874-1957.1
- Morgan, G. Campbell (George Campbell), 1863-1945.1
- Morgan, G. Campbell, (1863- )1
- Mott, Charles Stewart, 1875-1973.1
- Murfin, James Orin, 1875-1940.1
- Musser, Benjamin Francis1
- Musser, Benjamin Francis.1
- 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