1931
|
Harper, F. Amphibians and reptiles of the Athabaska and Great Slave Lakes region. Canadian Field Naturalist 45(3):68-70
|
1967
|
Weintraub, Joel D. Herpetological observations in Saskatchewan and the Mackenzie district. Canadian Field-naturalist 81():106-109
|
1971
|
Hodge, R. P. Herpetology north of 60EG. Beaver 1971():36-38
|
1976
|
Hodge, R. P. Amphibians and reptiles in Alaska, the Yukon and Northwest Territories. Alaska Northwest Publishing Company, Anchorage, Alaska. 89pp.
|