- Winthrop College.7
- Harvard Club of New York City6
- Hughes, Edwin, 1884-1965<br>Correspondence6
- Hughes, Edwin, 1884-1965<br>Correspondence<br>Weston, Harold, 1894-19726
- Waldorf-Astoria Hotel, New York.6
- Weston, Harold, 1894-19726
- Concert programs<br> Hughes, Edwin, 1884-19655
- Music Teachers' National Association5
- Alberti, Solon, 1889-1981.4
- Awards<br>Hughes, Edwin, 1884-19654
- Koussevitzky, Serge, 1874-1951.4
- National Association of Schools of Music4
- Waldorf-Astoria Hotel (New York, N.Y.)4
- Casadesus, Robert, 1899-1972.3
- Cornell University3
- Downes, Olin, 1886-1955.3
- Ellison, Charles M.3
- Kinkeldey, Otto, 1878-1966.3
- Mitropoulos, Dimitri, 1896-19603
- Mitropoulos, Dimitri, 1896-1960.3