1. [Staff working on subject analysis] Publication: Produced: [between 1960 and 1969?] Subject(s): Abstracting and Indexing as TopicLibrariansNational Library of Medicine (U.S.). Index Section.National Library of Medicine (U.S.).
2. [Library indexer] Publication: Produced: [between 1960 and 1969?] Subject(s): MEDLARSAbstracting and Indexing as TopicLibrariansNational Library of Medicine (U.S.). Index Section.National Library of Medicine (U.S.).
3. [Staff member preparing data sheet] Publication: Produced: [between 1960 and 1969?] Subject(s): MEDLARSAbstracting and Indexing as TopicNational Library of Medicine (U.S.). Index Section.National Library of Medicine (U.S.).
