1. Mr. Barnes at information window Publication: [1963?] Subject(s): Libraries, MedicalAfrican AmericansLibrary MaterialsCatalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
2. [Librarian sets up a video in the audiovisual area] Publication: [197-?] Subject(s): Catalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
3. [Reference librarian cues video] Publication: [197-?] Subject(s): Catalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
4. [History of Medicine Division's card catalog] Author(s): Pruyn, Peter N. Publication: [1962] Subject(s): Catalogs, LibraryLibrarians