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By: Howitt, J. E. (John Eaton), - Caesar, Lawson, - Ontario. Dept. of Agriculture.Edition:Publication info: Toronto, Dept. of Agriculture, 1917Volume:Series:Holding Institution: Canadiana.orgSubjects:BHL Collections:
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By: Howitt, J. E. (John Eaton), - Ontario. Dept. of Agriculture.Edition:Publication info: Toronto, Dept. of Agriculture, 1908Volume:Series:Holding Institution: Canadiana.orgSubjects:BHL Collections:
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By: Howitt, J. E. (John Eaton), - Harrison, F. C. (Francis Charles), - Lochhead, W. - Ontario Agricultural College.Edition: Rev. ed.Publication info: [Toronto, Dept. of Agriculture], 1916Volume:Series:Holding Institution: Canadiana.orgSubjects:BHL Collections:
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By: Howitt, J. E. (John Eaton), - Harrison, F. C. (Francis Charles), - Lochhead, W. - Ontario. Dept. of Agriculture.Edition:Publication info: Toronto, L.K. Cameron, 1911Volume:Series:Holding Institution: Canadiana.orgSubjects:BHL Collections:
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By: Howitt, J. E. (John Eaton),Type: ArticleIn: The Ottawa naturalistVolume: 27Series:Issue: 11Date: 1914-02Page Range: 158--160Publication Info: Ottawa, Ottawa Field-Naturalists' Club,Subjects: