- Musicians--Pictorial works1
- Names, Personal--Songs and music1
- National Theatre (New York, N. Y. : Houston Street and 2nd Avenue)1
- National songs--Belgium1
- National songs--Great Britain1
- National songs--United States1
- Patriotic music, AmericanWorld War, 1914-1918--Songs and music1
- Patriotic music--United States--1911-19201
- Patriotic music--United States--World War, 1914-1918--United States--Songs and music1
- Pershing, John J. (John Joseph) 1860-1948--Songs and music1
- Pershing, John J. (John Joseph), 1860-1948--Songs and music1
- Piano music (Blues)1
- Piantadosi, Al, 1884-1955--Portraits1
- Popular Music1
- Popular instrumental music--United States--1911-19201
- Popular music--1911-1920--Vocal scores with piano1
- Popular music--United States--1911-1920--Vocal scores with piano1
- Popular music-United States--1911-19201
- Recruiting and enlistment--Songs and music1
- Reminiscing--Songs and music1