Selected United States Government Publications United States. Superintendent of Documents Published: 1939 Total Pages: 1340 Get eBook
Agricultural Library Notes United States. Department of Agriculture. Library Published: 1941 Total Pages: 688 Get eBook
Lettuce Growing. (Rev. 1940). U.S. Dept. of Agriculture. Bureau of Plant Industry Published: 1940 Total Pages: 0 Get eBook
Index to Publications of the United States Department of Agriculture, 1936-1940 United States. Department of Agriculture. Division of Publications Published: 1943 Total Pages: 778 Get eBook
Special Publication American Association of Economic Entomologists Published: 1948 Total Pages: 1084 Get eBook