Knipling, Edward Fred. 1948. New insecticides, acaricides, and repellents for the control of arthropods attacking man. In Proceedings of the fourth international congress on tropical medicine and malaria. Washington, District of Columbia. , 1948

Knipling, Edward Fred. 1948. New insecticides, acaricides, and repellents for the control of arthropods attacking man. In Proceedings of the fourth international congress on tropical medicine and malaria. Washington, District of Columbia. , 1948, VI.A, Box: 25, Folder: 1287. Edward Fred Knipling Papers, MS0210. National Agricultural Library Special Collections. http://localhost:8081/repositories/4/archival_objects/74161 Accessed October 14, 2026.