1. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 9 March 1958 Subject(s): Lice InfestationsInsect Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
2. Letter from Lewis Hackett to Fred L. Soper Publication: Produced: 12 January 1959 Subject(s): Insect ControlDDTYellow Fever Vaccine Archival Collection: The Fred L. Soper Papers (Profiles in Science)
3. The Conquest of Typhus Publication: New York Times Company, 4 June 1944 Subject(s): DDTTyphus, Epidemic Louse-BorneInsect Control Archival Collection: The Fred L. Soper Papers (Profiles in Science)
4. Typhus Fever in Italy, 1943-1945, and its Control with Louse Powder Publication: Lancaster Press, May 1947 Subject(s): Typhus, Epidemic Louse-BorneItalyInsect ControlLice Infestations Archival Collection: The Fred L. Soper Papers (Profiles in Science)
