Names
- Mooney, Tom1
- Morgan, Albert Talmon, 1841-19221
- Morgan, Albert Talmon, 1841-1922.1
- Morgan, Angela, 1874-19571
- Morgan, G. Campbell (George Campbell), 1863-1945.1
- Morgan, G. Campbell, (1863- )1
- Murphy, Frank, 1890-1949.1
- Musser, Benjamin Francis1
- Musser, Benjamin Francis.1
- Mygatt, Tracy D. (Tracy Dickinson), 1885-1973.1
- Mygatt, Tracy, 1885-1973.1
- 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
- National Unemployment League (U.S.)1