1955
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Logier, E. B. Shelle and G. C. Toner. Checklist of the amphibians and reptiles of Canada and Alaska. Contributions of the Royal Ontario Museum of Zoology 41():1-88
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1961
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Logier, E. B. Shelle and G. C. Toner. Check list of the amphibians and reptiles of Canada and Alaska. A revision of Contribution no. 41. Contribution no. 53 Life Sciences Division. Royal Ontario Museum, Toronto, Canada. 92pp.
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1976
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Hodge, R. P. Amphibians and reptiles in Alaska, the Yukon and Northwest Territories. Alaska Northwest Publishing Company, Anchorage, Alaska. 89pp.
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