Haig-Brown, Roderick L.
Department of Fisheries of Canada, 1956.
24 page colour illustrated booklet good clean condition with slight wear to covers.
Jarvis, Norman DWashington, United States Government Printing Office, 1950
Wood, WalterKegan Paul…, 1911
Coull, James R.John Donald, 1996
Firth, Frank E. [editor]Van Nostrand, 1969