1. [Testing vaccines and serums for purity and potency] Publication: [Bethesda, Md. : National Institutes of Health, 1930?] Subject(s): Vaccines -- analysisSerumBiomedical ResearchLaboratories
2. [Researchers at work on biologics control] Publication: [Bethesda, Md. : National Institutes of Health, 1930?] Subject(s): Biomedical ResearchBiological ProductsLaboratories
3. [Exterior view of the Hygienic Laboratory, located on a five-acre site on the old Naval Observatory grounds at 25th and E Streets, N.W., Washington, D.C.] Publication: [Washington, D.C. : Hygienic Laboratory, 1910?] Subject(s): LaboratoriesBiomedical ResearchGovernment Agencies
4. [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