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John Murray Speirs
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Cilt sonuçları
Birds of Ontario
John Murray Speirs · Natural Heritage
Sayfa sayısı yok · 1988
Birds / Bird populations / Maps / Identification / Birds, canada
History of the original descriptions of Great Lakes fishes
John Murray Speirs · Ontario Fisheries Research Laboratory, Department of Zoology, University of Ontario
38 sayfa · 1953
Fishes / Bibliography / Nomenclature