11. [Men working in a lab, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): LaboratoriesLaboratory PersonnelUnited States. Public Health Service.
12. [Technician working with a chemical in a dish, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): LaboratoriesLaboratory PersonnelUnited States. Public Health Service.
13. [Lab workers preparing captured rats for examination, New Orleans, La.] Publication: [between 1914 and 1920] Subject(s): Plague -- prevention & controlLaboratory Personnel
14. [Two lab workers peering through microscopes] Publication: [1914-1920] Subject(s): Laboratory PersonnelAfrican Americans
15. [U.S. Public Health Service laboratory workers, New Orleans, La.] Publication: [between 1914 and 1920]] Subject(s): Laboratory PersonnelUnited States. Public Health Service.
16. [Researchers with cholestenone-fed rat] Author(s): Pumphrey, Robert. Publication: 1957 Subject(s): LaboratoriesLaboratory PersonnelFredrickson, Donald S.
17. [Donald S. Fredrickson and colleagues with laboratory equipment] Author(s): Pumphrey, Robert. Publication: 1957 Subject(s): Laboratory PersonnelFredrickson, Donald S.
18. Improved test found for rheumatoid arthritis Publication: Bethesda, Maryland: National Institutes of Health, 1957 Subject(s): Laboratory Personnel
19. The laboratory of molecular biology Author(s): Joy, Thomas. Publication: [196-?] Subject(s): LaboratoriesLaboratory PersonnelAfrican Americans
20. On-the-job training program succeeds in producing biological aides at DEHS Publication: , 1968 Subject(s): Laboratory Personnel