Subjects
- Libraries, Medical[remove]172
- Library Automation5
- Library Materials5
- Library Materials -- classification1
- Library Services5
- Library Surveys1
- Library Technical Services1
- Library of the Surgeon-General's Office (U.S.)1
- Lyons, Champ, 1907-1
- MEDLARS3
- Maryland2
- Medical Informatics1
- Medicine4
- Medicine in Art1
- National Institutes of Health (U.S.)3
- National Library of Medicine (U.S.)119
- National Library of Medicine (U.S.). History of Medicine Division.3
- National Library of Medicine (U.S.). Index Section.1
- National Library of Medicine (U.S.). Office of Computer and Communications Systems.3
- National Library of Medicine (U.S.). Reference Services Division.17