1. [Rear view of the National Library of Medicine building] Author(s): Pruyn, Peter N. Publication: [1962?] Subject(s): Libraries, MedicalHospitals, MilitaryNational Library of Medicine (U.S.)
2. [A man operating the mobile camera in the RSD/PSD stacks] Author(s): Pruyn, Peter N. Publication: [196-?] Subject(s): Library MaterialsMicrofilmingNational Library of Medicine (U.S.). Reference Services Division.
3. [History of Medicine Division's card catalog] Author(s): Pruyn, Peter N. Publication: [1962] Subject(s): Catalogs, LibraryLibrarians
4. Dr. Blake and Sheila Parker Durling behind desk Author(s): Pruyn, Peter N. Publication: [1962?] Subject(s): Libraries, MedicalLibrarians
