Report of European corn-borer control compaign by the United States Department of agriculture...March 14, 1927 to October 31, 1927, inclusive
Report of European corn-borer control compaign by the United States Department of agriculture...March 14, 1927 to October 31, 1927, inclusive
Reprinted from Hearings before Committe on agriculture, House of Representatives, 70th Cong.,1st sess.,Jan.24-26,1928
