1. Excerpt from Fred Soper's diary Publication: Produced: 17 April 1939 Subject(s): Yellow FeverVaccines Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. [Joint research by bacteriologists and entomologists at the Rocky Mountain Laboratory on ticks and guinea pigs to develop vaccine against spotted fever] Publication: 1935? Subject(s): Rocky Mountain Spotted Fever -- prevention & controlBiomedical ResearchLaboratoriesVaccines