Jade in British Columbia and Alaska, and its use by the natives (1923)
Emmons, George Thornton, 1852-, Jay I. Kislak Reference Collection (Library of Congress) DLC · New York : Museum of the American Indian, Heye Foundation · leaf 123
Jade · Indians of North America
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
