- Letter writing--Pictorial works1
- Liberty Bell--Songs and music1
- Limehouse (London, England)--Songs and music1
- Loneliness--Songs and music1
- Lorraine, Lillian, 1892-1955--Portraits1
- Love Songs1
- Love songs, Popular music--United States--To 19011
- Love songs, Songs with piano1
- Lutheran Church1
- MacDonald, Ballard, 1882-1935--Musical settings1
- Macfarlane, George--Portraits1
- Mandalay (Burma)1
- Manipulative behavior--Songs and music1
- Marches (Band)1
- Marches (Trumpet and piano)1
- Marches--1911-19201
- Marne, 1st Battle of the, France, 19141
- Marsh, Mae, 1897-1968--Portraits1
- Maurice, Mary, 1844-1918--Portraits1
- McCrae, John, 1872-1918--Musical settings1