Birds of southwestern Mexico. - Lawrence, George N. (George Newbold), 1806-1895.; Sumichrast, Francis E., 1828-1882. (Washington, Govt. Print. Off., 1875)
Issued also as vol. XIII, art. 4 of the Smithsonian miscellaneous collections.
Includes index.
Keywords: Birds -- Mexico; Birds -- Catalogs and collections -- Mexico