21. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 15 December 1939 Subject(s): Clothing Archival Collection: The Fred L. Soper Papers (Profiles in Science)
22. African Mosquito Ravaging Brazil Publication: New York Times Company, 27 March 1939 Subject(s): AnophelesMalariaBrazil Archival Collection: The Fred L. Soper Papers (Profiles in Science)
23. Excerpt from Report of the Director of the Hospital to the Corporation of the Rockefeller Institute for Medical Research, April 8, 1939 Publication: Produced: 8 April 1939 Subject(s): TherapeuticsImmune SeraDrug TherapyAntibodiesAntigens Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
24. Excerpt from Report of the Director of the Institute to the Corporation of the Rockefeller Institute for Medical Research, October 27, 1939 Publication: Produced: 27 October 1939 Subject(s): Anti-Bacterial AgentsDrug Evaluation Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
25. Conversation with Dr. Avery about separation of virus from antibody Publication: Produced: 2 October 1939 Subject(s): AntigensAntibodiesResearch Archival Collection: The Oswald T. Avery Collection (Profiles in Science)
26. They never fail you: the Canadian Red Cross Society Publication: [Canada] : [Canadian Red Cross Society], [between 1939 and 1953?] Subject(s): Red CrossAllied Health PersonnelWomen, WorkingWorld War IICanadaCanadian Red Cross Society.
27. War sisters Publication: [United States] : [publisher not identified], [between 1939 and 1945?] Subject(s): WomenVolunteersWorld War IIDayton Engineering Laboratories Company.
28. Rx for comfort: this all white elk 4-eyelet perforated nurse's tie gives you new foot freedom Publication: Chicago : Curteich, [1939] Subject(s): Advertising as TopicShoesNurses
29. Join: Annual Red Cross Roll Call November 11 to 30, 1939 Publication: Washington, D.C. : American Red Cross, [1939] Subject(s): NursesAmerican National Red Cross.
30. Search and Research Publication: [United States:] : Abbott Laboratories, 1939 Subject(s): Public Health
