31. [Microfilming material] Publication: [[1969?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
32. [Microfilming with a Recordak 35mm] Publication: [1969?] Subject(s): MicrofilmingNational Library of Medicine (U.S.). Reference Services Division.
33. [Microfilming with the RSD/PSD mobile camera] Publication: [196-?] Subject(s): Library MaterialsMicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
34. Mobile camera in book stacks Publication: [196-?] Subject(s): Library MaterialsMicrofilmingNational Library of Medicine (U.S.). Reference Services Division.
35. Mr. Barnes at information window Publication: [1963?] Subject(s): Libraries, MedicalAfrican AmericansLibrary MaterialsCatalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
36. [Mr. Barnes at the reader service desk] Publication: [1963?] Subject(s): LibrariansLibraries, MedicalAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
37. [Mr. Bragg in the RSD/PSD stacks] Publication: [1963?] Subject(s): Library MaterialsAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
38. Mr. Parkam using microfilm camera Publication: 1962 Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
39. [Mr. Parkam using the mobile camera] Publication: [1962] Subject(s): Library MaterialsMicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
40. Mrs. Wright at desk in main reading room Publication: [1963?] Subject(s): Libraries, MedicalLibrariansNational Library of Medicine (U.S.). Reference Services Division.
