- North Carolina College for Women1
- Ormandy, Eugene, 1899-19851
- Paderewski, Ignace Jan, 1860-1941.1
- Paisley, William M., 1903-2
- Peabody Conservatory of Music.1
- Phi Mu Alpha Sinfonia Fraternity of America1
- Philharmonic Society of New York2
- Photographs<br> Hughes, Edwin, 1884-19652
- Photographs<br> Hughes, Edwin, 1884-1965<br> Leschetizky, Theodor, 1830-19151
- Photographs<br>Hughes, Edwin, 1884-19651
- Photographs<br>Hughes, Edwin, 1884-1965<br> Leschetizky, Theodor, 1830-19152
- Plaza Hotel (New York, N.Y.)3
- Plaza Hotel (New York, N.Y.)<br>Villa-Lobos, Heitor1
- Postcards<br> Photographs<br> Hughes, Edwin, 1884-1965<br> Leschetizky, Theodor, 1830-19151
- Postcards<br>Photographs<br>Hughes, Edwin, 1884-1965<br> Leschetizky, Theodor, 1830-19152
- Programs41
- Rachmaninoff, Sergei, 1873-1943.1
- Reiner, Fritz, 1888-19631
- Ricci, Ruggiero, 1918-.1
- Rice, Edwin T. (Edwin Thomas), 1862-1940.1