1. Audiovisual learning resource area Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
2. [Audiovisual learning resource] Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
4. [Classification listing in the AV area] Publication: 1977 Subject(s): Libraries, MedicalNational Library of Medicine (U.S.). Reference Services Division.
5. [MEDLINE's Silent 700 by Texas Instruments] Publication: 1977 Subject(s): Library AutomationNational Library of Medicine (U.S.). Index Section.
