A systematic classification for the birds of the world
By: by Alexander Wetmore.
Series: Smithsonian miscellaneous collections.; v. 99, no. 7; Publication 3592.
Publisher: The Smithsonian institution
Published: 1940
Place of publication: City of Washington
Language: eng
Number of pages: 11
Subjects: Birds -- Classification
Notes: Reprinted, with relatively few changes, from the revised edition issued in 1934. cf. p. 1.