Report on the tungsten ores of Canada - Canada. Mines Branch (1901-1936); Walker, T. L. (Thomas Leonard), 1867- (Ottawa, Printed by C. H. Parmelee, 1909)
"No. 25."
"Bibliography of Canadian tungsten literature": p. 48-50. "Brief list of important literature on American tungsten occurrences--United States": p. 50.
Keywords: Tungsten ores -- Canada