1. Letter from Senator Lister Hill to Alan Gregg Publication: Produced: 17 July 1956 Subject(s): Libraries, MedicalLegislation as Topic Archival Collection: The Alan Gregg Papers (Profiles in Science)
2. Letter from Senator Lister Hill to Alan Gregg Publication: Produced: 23 July 1956 Subject(s): Libraries, MedicalLegislation as Topic Archival Collection: The Alan Gregg Papers (Profiles in Science)