3. C. Everett Koop and his assistants during an operation at Children's Hospital in Philadelphia, Pennsylvania Creator: Philadelphia Inquirer (Firm)Mooney, Robert L. Date: 20 September 1974 Genre: Photographic prints
4. C. Everett Koop and his surgical team during the separation of Siamese twins Alta and Clara Rodriquez Creator: Chacon, Hector V. Date: December 1974 Genre: Photographic prints
5. An exhausted C. Everett Koop following his operation to separate Siamese twins Clara and Alta Rodriguez Creator: Chacon, Hector V. Date: December 1974 Genre: Photographic prints
6. C. Everett Koop and Louise Schnaufer during the operation to separate Siamese twins Clara and Alta Rodriquez Date: December 1974 Genre: Photographic prints
7. Operation planning chart for separating a pair of Siamese twins Date: December 1974 Genre: Photographic prints
8. Clara and Alta Rodriguez with their mother Creator: Rozanski, Gervase J.Philadelphia Inquirer (Firm) Date: 20 September 1974 Genre: Photographic prints
10. C. Everett Koop performing an operation at San-iku Kai Hospital in Tokyo, Japan Date: 7 November 1961 Genre: Photographic prints