- Musicals1
- Musicals--Excerpts--Vocal scores with piano1
- National cemeteries, American--France1
- National songs1
- National songs--Belgium1
- National songs--Great Britain1
- National songs--United States1
- Notre-Dame de Paris (Cathedral)1
- Operas--Vocal scores with piano1
- Ouseley, William Gore, Sir, 1797-18661
- Owens, Frank Capers, 1898-19831
- Palmer, Sidney, 1928-20161
- Pershing, John J. (John Joseph), 1860-1948--Portraits1
- Personal correspondence1
- Photograph albums--Great Britain--Specimens1
- Poets, American--20th century--Correspondence1
- Popular music--1901-19101
- Postcards--France1
- Santa Clara valley (Santa Clara County, Calif.)--Songs and music1
- Seeger, Alan, 1888-19161