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By: Hadwen, Seymour, - Bruce, E. A. (Edward Archibald), - Canada. Health of Animals Branch.Edition:Publication info: Ottawa, J. de L. Taché, 1917Volume:Series:Holding Institution: Agriculture and Agri-Food Canada (AAFC)Subjects:BHL Collections:
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By: Hadwen, Seymour, - Palmer, L. J.Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1922Volume: no.1089 (1922)Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Hadwen, Seymour,Type: ArticleIn: The Journal of parasitologyVolume: 4Series:Issue: 3Date: 1918-03Page Range: 135--137Publication Info: Chicago [etc.],Subjects:
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By: Hadwen, Seymour,Type: ArticleIn: The Ottawa naturalistVolume: 32Series:Issue: 9Date: 1919-03Page Range: 173--174Publication Info: Ottawa, Ottawa Field-Naturalists' Club,Subjects: