Creator
- Carnegie Corporation of New York1
- Carpenter, Dan1
- Cattell, James McKeen, 1860-19441
- Colles, William Morris, 1855-19261
- Collins, George R. (George Roseborough), 1917-19931
- Columbia College (Columbia University)1
- Columbia University. Archives1
- Columbia University. Department of Music1
- Columbia University. Graduate School of Arts and Sciences. Office of the Dean1
- Columbia University. Graduate School of Journalism1
- Columbia University. Lesbian, Gay, Bi-Sexual and Transgender Alliance1
- Columbia University. School of Social Work1
- Columbia University. Teachers College. Institute of Philosophy and Politics of Education1
- Columbia University. University Committee on Student Organizations1
- Coordinating Committee for Slavic and East European Library Resources (U.S.)1
- Cordier, Andrew W (Andrew Wellington), 1901-19751
- Cserna, George1
- Diamond, Sigmund1
- Dlotovskiĭ, Erast Konstantinovich1
- Don Congdon Associates, Inc1