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Creator
- Soper, Fred Lowe, 1893-197727
- ?The? Rockefeller Foundation4
- National Yellow Fever Service of Brazil4
- Hackett, Lewis2
- Connor, M. E.1
- Davis, N. C.1
- Frobisher, M. , Jr1
- Kerr, J. A.1
- Pan-American Health Organization1
- Rude, Maxine1
- Sawyer, Wilbur A.1
- Smith, H. H.1
- Strode, George K.1
- The World Health Organization1
- Yellow Fever Service1
- de Souza Pinto, G.1