21. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
22. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
23. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
24. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
25. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
26. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
27. [NLM- OCCS Computer Room] Subject(s): Library AutomationLibraries, MedicalNational Library of Medicine (U.S.). Office of Computer and Communications Systems.
28. [National Library of Medicine grounds before construction of the Lister Hill Center] Publication: Produced: [not after 1976?] Subject(s): Libraries, MedicalNational Library of Medicine (U.S.)
