4871. [Librarian sets up a video in the audiovisual area] Publication: [197-?] Subject(s): Catalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
4872. [Reference librarian cues video] Publication: [197-?] Subject(s): Catalogs, LibraryLibrariansNational Library of Medicine (U.S.). Reference Services Division.
4873. Multimedia reference resource card catalog Publication: [197-?] Subject(s): Catalogs, LibraryNational Library of Medicine (U.S.). Reference Services Division.
4874. [APGO teaching package] Publication: 1974 Subject(s): Association of Professors of Gynecology and Obstetrics.National Library of Medicine (U.S.). Reference Services Division.
4875. [Watching a video tape in the AV area] Publication: [197-?] Subject(s): Catalogs, LibraryNational Library of Medicine (U.S.). Reference Services Division.
4876. Audiovisual learning resource area Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
4877. [Audiovisual learning resource] Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
4879. [Classification listing in the AV area] Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
4880. [Patron using microfiche] Publication: [197-?] Subject(s): Catalogs, LibraryNational Library of Medicine (U.S.). Reference Services Division.