Fruit worms of the apple in Nova Scotia
Sanders, G.E., Dustan, A.G.
Fruit worms of the apple in Nova Scotia - Ottawa 1919 - 1-28 p. - Fruit, Apple Dominion of Canada Department of Agricultural Entomological Branch. Bulletin No. 17 .
Fruit worms of the apple in Nova Scotia - Ottawa 1919 - 1-28 p. - Fruit, Apple Dominion of Canada Department of Agricultural Entomological Branch. Bulletin No. 17 .