1. [Men at work in an early laboratory of the Bureau of Chemistry] Publication: [Washington, D.C. : Bureau of Chemistry, 1910?] Subject(s): LaboratoriesFood AnalysisGovernment Agencies
2. [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
3. [Sanitary engineers in the Public Health Service during World War II] Publication: [Washington, D.C. : Public Health Service, 1944?] Subject(s): Sanitary Engineering -- manpowerDelivery of Health Care -- manpowerGovernment Agencies