Subjects: DDT and Insect Control / Genre: Letters (correspondence) - Digital Collections - National Library of Medicine Search Results

Start Over Subjects DDT ✖ Subjects Insect Control ✖ Genre Letters (correspondence) ✖

1. Letter from Lewis Hackett to Fred L. Soper

Publication:: Produced: 12 January 1959
Subject(s):: Insect Control
DDT
Yellow Fever Vaccine
Archival Collection:: The Fred L. Soper Papers (Profiles in Science)

2. Letter from Fred L. Soper to Lewis Hackett

Publication:: Produced: 20 January 1959
Subject(s):: DDT
Insect Control
Yellow Fever Vaccine
Archival Collection:: The Fred L. Soper Papers (Profiles in Science)