Collector
- M. V. Lattin1 objects
- M.S. Collection1 objects
- Mabel McKay2 objects
- Madison Bentley1 objects
- Maggie Marvin5 objects
- Male Relative of Mrs. Theodore Babbitt3 objects
- Marcelline Maddex Morton1 objects
- Margaret Condliffe Kessler1 objects
- Margaret Corinne Sinclair46 objects
- Margaret Lantis1 objects
- Margaret Mason Whitney16 objects
- Margaret Mathewson3 objects
- Margot Blum Schevill1 objects
- Margot Winer7 objects
- Marian Burr1 objects
- Marian Steinbach2 objects
- Marian W. Smith5 objects
- Marjorie McCausland5 objects
- Mark R. Harrington5 objects
- Martha F. Curry1 objects