Key to North American birds : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland
Elliott Coues (Author)
Print Book, English, 1884
Second edition, revised to date, and entirely rewritten: with which are incorporated general ornithology an outline of the structure and classificaiton of birds; and field ornithology a manual of collecting, preparing, and preserving birds
Estes and Lauriat, Boston, 1884