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By: Gurba, J. B. - Lobay, W., - Alberta. Field Crops Branch.Edition:Publication info: Edmonton, Alberta, Field Crops Branch, Department of Agriculture, [1956]Volume:Series:Holding Institution: Alberta Legislature LibrarySubjects:BHL Collections:
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By: Gurba, J. B. - Stelfox, D. - Alberta. Crop Protection and Pest Control Branch.Edition: Rev.Publication info: Edmonton, Alberta Dept. of Agriculture, Crop Protection and Pest Control Branch, 1961Volume:Series:Holding Institution: Alberta Legislature LibrarySubjects:BHL Collections: