University of California publications. Technical bulletins. College of Agriculture. Agricultural Experiment Station. Entomology ; v. 3, no. 1, Nov. 1, 1919
by the technical committee in charge of the nation-wide survey, U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Dairy Industry and Office of Experiment Stations
Date
1947
Series
Miscellaneous publication (United States. Department of Agriculture) ; no. 636
prepared jointly by specialists of the United States Department of agriculture, and of the experiment stations of California, Louisiana, Texas and Virginia
Date
1940
Series
Miscellaneous publication (United States. Department of Agriculture) ; no. 374