2 literature references:

Author: Scott, W.B. and E.J. Crossman
Year: 1973
Title: Freshwater fishes of Canada.
Source: Bull. Fish. Res. Board Can. 184:1-966.
Author: Nelson, J.S., E.J. Crossman, H. Espinosa-PĂ©rez, L.T. Findley, C.R. Gilbert, R.N. Lea and J.D. Williams
Year: 2004
Title: Common and scientific names of fishes from the United States, Canada, and Mexico.
Source: American Fisheries Society, Special Publication 29, Bethesda, Maryland.