21. [RSD/PSD mobile camera in the stack area] Publication: [196-?] Subject(s): MicrofilmingAfrican AmericansNational Library of Medicine (U.S.). Reference Services Division.
22. [Using a Friden Flexowriter in Bibiliographic Services Division Indexing] Publication: [196-?] Subject(s): Library AutomationAfrican AmericansNational Library of Medicine (U.S.). Index Section.
23. [Child sitting in dental chair] Author(s): Cravens, Don, photographer Publication: Produced: [between 1960 and 1969?] Subject(s): DentistryDental AssistantsChild, PreschoolAfrican AmericansMeharry Medical College.
24. [Newborn infants' nursery] Publication: [1960?] Subject(s): Child WelfareInfant, NewbornNursesAfrican AmericansUnited States. Children's Bureau.