41. Weinstock shelving books in stack area Publication: [196-?] Subject(s): Library MaterialsAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
42. [Weinstock setting up the RSD/PSD stacks] Publication: [196-?] Subject(s): Library MaterialsAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
43. [Empty RSD/PSD stacks] Publication: [196-?] Subject(s): Library MaterialsAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
44. [Weinstock shelving the RSD/PSD stacks] Publication: [196-?] Subject(s): Library MaterialsAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
45. Mr. Parkam using microfilm camera Publication: 1962 Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
46. [Microfilming a book with the mobile camera] Publication: 1962 Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
47. [Mr. Parkam using the mobile camera] Publication: [1962] Subject(s): Library MaterialsMicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
48. [Microfilming with the RSD/PSD mobile camera] Publication: [196-?] Subject(s): Library MaterialsMicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
49. [View of the RSD/PSD mobile camera] Publication: [196-?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
50. [RSD/PSD mobile camera in the stack area] Publication: [196-?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.