| (WOODSLEE, ONT) «Dominion Experimental Substation, Woodslee, Ontario; J.W. Aylesworth, B.S.A., M.S., Officer-in-Charge. - Progress Report 1947-1953» Ottawa, Department of Agriculture, Experimental Farms Service, 1955. 32 p. (25 cm). Cover title; tables. (Inv. #5060) 15 $ | |
| WRESSELL, H.B «Control of the European Corn Borer in sweet corn» Chatham, Ont., Canada Department of Agriculture, Entomology Laboratory, 1954. 8 p. (25 cm). Publication 909. Cover title; illustrations. (Inv. #4119) 12 $ | |
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