Subject
- Morton, Clara, 1881 or 2-1948--Portraits1
- Mothers and sons--Songs and music1
- Mothers of soldiers--Pictorial works1
- Mothers of war casualties--Songs and music1
- Motion picture music1
- Murray, Elizabeth--Portraits1
- Murray, Katherine--Portraits1
- Musicals--Excerpts, Arranged1
- Musicals--Excerpts--Coval scores with piano1
- Musicals--Excerpts--Scores1
- Musicals-Excerpts--vocal scores with piano1
- Musicians--Pictorial works1
- National Special Aid Society (New York, N.Y.)1
- National Theatre (New York, N. Y. : Houston Street and 2nd Avenue)1
- National songs1
- National songs--Great Britain1
- Neutrality--Songs and music1
- Nicholas, Nellie V.--Portraits1
- Nurses--Song and music1
- Nurses--Songs and music1