1. [Index Section staff using punch cards] Publication: Produced: [between 1960 and 1969?] Subject(s): Punched-Card SystemsLibrary AutomationLibrariansNational Library of Medicine (U.S.). Index Section.
2. [Bibliographic Services Division data processing machine] Publication: Produced: [between 1960 and 1969?] Subject(s): Punched-Card SystemsLibrary AutomationNational Library of Medicine (U.S.). Bibliographic Services Division.