Arctic birds of Canada.
Toronto: University of Toronto Press, 1957. Octavo, text illustrations, maps, very good copy in slightly worn dustwrapper. More
Toronto: University of Toronto Press, 1957. Octavo, text illustrations, maps, very good copy in slightly worn dustwrapper. More
Norman: University of Oklahoma Press, 1975. Quarto, colour plates, fine copy in dustwrapper. More