- Bennett, Robert Russell, 1894-19811
- Bennett, Robert Russell, 1894-1981.2
- Bing, Rudolf, 1902-1997.2
- Bohemians (New York Musicians' Club)138
- Borge, Victor2
- Brailowsky, Alexander, 1896-19762
- Cadek Conservatory of Music1
- Cadek, Joseph Ottokar, 1868-19271
- Campbell, Keith1
- Carnegie Hall (New York, N.Y.).1
- Casadesus, Robert, 1899-1972.3
- Chadwick, G. W. (George Whitefield), 1854-19311
- Chasins, Abram, 1903-1987.1
- Christmas1
- Church1
- Cincinnati Conservatory of Music1
- Cleveland family1
- Cleveland, Jeremiah R., 1912-19731
- Cleveland, Sara Burriss1
- Collected Correspondence4