1. Biology of domestic flies Publication: [Washington, DC : U.S. National Audiovisual Center [distributor], 1952] Subject(s): Diptera -- physiologyDiptera -- pathogenicityInsect ControlLife Cycle Stages
2. When a fly wipes his feet on your food he's spreading disease Publication: [Washington, D.C.] : War Dept. : U.S. G.P.O., 1944 Subject(s): Food Contamination -- prevention & controlDiptera -- pathogenicityInsect Vectors