Spruce Grouse

The birds of North America New York, U.S.A. :Published under the auspices of the Natural Science Association of America,1895, c1888. biodiversitylibrary.org/page/41959169

Upland game birds and water fowl of the United States New York :Published by Scribner, Armstrong,©1877-1878. biodiversitylibrary.org/page/56100392

Fauna boreali-americana, or, The zoology of the northern parts of British America :. London :John Murray,1829-1837.. biodiversitylibrary.org/page/41549766

Fauna boreali-americana, or, The zoology of the northern parts of British America :. London :John Murray,1829-1837.. biodiversitylibrary.org/page/41549771