Top flight speed index to waterfowl of North America.
By: Co-artists and authors: John A. Ruthven [and] William Zimmerman.
Contributors: Zimmerman, William, joint author.
Publisher: Moebius Printing Co.
Published: 1965
Place of publication: [Milwaukee, Wisc
Language: eng
Number of pages: 112
Subjects: Water birds.; Birds -- North America.; Birds -- Identification.
Notes: Autographed copy.