421. Letter from Karl E. Karlson to Clarence Dennis Publication: Produced: 19 July 1960 Archival Collection: The Clarence Dennis Papers (Profiles in Science)
422. Letter from Karl E. Karlson to Clarence Dennis Publication: Produced: 3 November 1960 Archival Collection: The Clarence Dennis Papers (Profiles in Science)
423. Letter from Karl E. Karlson to Clarence Dennis Publication: Produced: 5 December 1960 Archival Collection: The Clarence Dennis Papers (Profiles in Science)
424. Letter from Owen H. Wangensteen to Clarence Dennis Publication: Produced: 2 November 1960 Archival Collection: The Clarence Dennis Papers (Profiles in Science)
425. Good food helps you grow Publication: [New York?] : National Tuberculosis Association, [196-?] Subject(s): Child Nutritional Physiological PhenomenaChildFood PreferencesMilk
426. Although the threat of smallpox is declining, this child has to put up with a routine vaccination Author(s): Nehmeh, George, photographer Publication: [1960-1975?] Subject(s): Smallpox VaccineSmallpox -- prevention & controlMother-Child RelationsMothersRefugeesMiddle EastWorld Health Organization.
427. [Aerial view of the National Library of Medicine] Publication: Produced: [between 1960 and 1969?] Subject(s): Libraries, MedicalNational Library of Medicine (U.S.)
