Destructive insect and pest act and regulations issued thereunder
By: C. Gordon Hewitt
Contributors: Dominion Experimental Farms and Stations (Canada)
Publisher: Government Printing Bureau
Published: 1911
Place of publication: Ottawa
Language: eng
Notes: "Dept. of Agriculture, Experimental Farms, Division of Entomology, Bulletin no. 1 ; Second Series ; no. 7".