Arthur 1875-1959 Gibson

Boring Caterpillars Affecting Corn and Other Crops and Which Are Liable to Be Mistaken for the European Corn Borer [microform]

Cutworms and Army-Worms [microform]

Cutworms and Their Control [microform]

Army-Worm [microform]

Control of Locusts in Eastern Canada [microform]

Cabbage Root Maggot and Its Control in Canada [microform]