- McCrae, John, 1872-1918--Musical settings1
- Mehlinger, Artie--Portraits2
- Mengis, Herr1
- Merchant mariners--Songs and music1
- Mexico--History--Revolution, 1910-1920--Songs and music5
- Miami (Fla.)--Songs and music1
- Michigan--songs and music1
- Military music1
- Military music--United States1
- Military pensions--United States--Songs and music1
- Military readiness--Songs and music1
- Militia of Mercy (U.S.)--Songs and music1
- Minstrel music6
- Minstrel music--Vocal scores with piano1
- Mississippi River--Songs and music2
- Mississippi--Songs and music3
- Mixed voices1
- Mons, 1st Battle of, Mons, Belgium, 1914--Songs and music1
- Moralities--Songs and music1
- Morey, Harry--Portraits1