21. [Surgeon General Parran in front of a mobile syphilis trailer] Publication: 1939 Subject(s): PhysiciansNursesAfrican Continental Ancestry GroupParran, Thomas, Jr., 1892-1968.
22. Surgical amphitheater --1853 University of Maryland Hospital Publication: Produced: [between 1930 and 1950?] Subject(s): HospitalsOperating RoomsPhysiciansNursesMarylandUniversity of Maryland (1812-1920). University Hospital.
23. U.S. Army Nurse Corps, 1901-1951. 2 Publication: [United States]: [publisher not identified], [between 1901 and 1951] Subject(s): Operating RoomsNursesMilitary NursingNursesPhysiciansGeneral SurgeryUnited States. Army Nurse Corps.
24. U.S. Army Nurse Corps, 1901-1951. 7 Publication: [United States]: [publisher not identified], [between 1901 and 1951] Subject(s): Military NursingNursesPhysiciansUnited States. Army Nurse Corps.
25. Who has she got on the pan now? Publication: [United States?] : [publisher not identified], [between 1930 and 1945] Subject(s): NursesPhysiciansHospitals