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TWO NEW BEES FROM HAY RIVER

by Cockerell, T. D. A.
Published in The Canadian Entomologist (1936)

Distributions of leafmining sawflies (Hymenoptera: Tenthredinidae) on birch and alder in northwestern Canada

by Digweed, Scott C., Langor, David W.
Published in The Canadian Entomologist (2004)

Profitable Exchanges and Contacts Between U.S.S.R. and Canada

by Golubev, Lev
Published in ARCTIC (1965)