Monthly letter - United States. Bureau of Entomology.; United States. Office of Cereal and Forage Insect Investigations. (1922)
Wanting: no. 83, March 1921 (not available). --- No. 10-16, printed. --- News-letter of the Office of cereal and forage insect investigations, v.1-v.2,no. 2, issued from April 1, 1913-Feb.1,1914. This files in Entomology library.