Biodiversity Heritage Library
By "Weigel, C. A. (Charles Adolph) "
The flower insect situation, 1931 : a radio talk by C.A. Weigel, Bureau of Entomology, [U. S. Department of Agriculture].
By: Weigel, C. A. (Charles Adolph) - United States. Bureau of Entomology. - WRC (Radio station : Washington, D.C.)
Publication info: [Washington, D.C.] :[United States Department of Agriculture, Bureau of Entomology],
Holding Institution: U.S. Department of Agriculture, National Agricultural Library