- Clarence Dennis's lab at SUNY Downstate Medical Center1
- Clarence Dennis's senior portrait in 1927 Central High School yearbook ("The Cehisean")1
- Clarence and Eleanor Mary Smith Dennis, dancing1
- Clarence and Mary at the family cottage in Cable, Wisconsin1
- Close-up of leg amputation at 46th Portable Surgical Hospital, Tinkhawk Sakan, Burma1
- Coach Charles Drew with the Morgan College basketball team1
- Cold Spring Harbor1
- Colin MacLeod, Maclyn McCarty, Detlev Wulf Bronk, Theodosius Dobzhansky, and Wendell M. Stanley at the Avery Memorial Gateway dedication ceremony1
- Colorado governor Lee Knous handing Sabin the pen with which he signed the Sabin health bill1
- Columbia University College of Physicians and Surgeons class of 19331
- Columbia University V-12 USNR units1
- Columbia-Presbyterian Medical Center1
- Commemorative silver wine cooler presented to Donald Fredrickson on his departure as Scientific Director from NIH1
- Composite photograph of Albert Szent-Gyorgyi giving a lecture1
- Composite photograph of Francis Crick lecturing1
- Condor "Junker" plane in Sao Paulo, ready to fly to Corumba, Brazil1
- Conference on cardiac transplantation with Christiaan Barnard and leading American proponents of heart transplantation1
- Construction of Clinic Building, Stanford Medical School1
- Construction of Edwards Building, Stanford Medical School1
- Construction of Lane Medical Library, Stanford Medical School1