1. Lake Superior. Its physical character, vegetation, and animals, compared with those of other and similar regions;Agassiz,1850
2. Observations on the spawning habits and early life history of lake trout;DeRoche;Prog. Fish-Cult.,1969
3. Dymond, J. R. 1926. The fishes of Lake Nipigon. Universityof Toronto Study Number 27, pp. 3-108. Publication of Ontario Fisheries Research Laboratory.
4. Northern fishes with special reference to the upper Mississippi Valley;Eddy,1947
5. The reproduction of lake trout in southern Lake Superior;Eschmeyer;Trans. Amer. Fish. Soc.,1955