(027406) Baumgartner, Frederick M, and Baumgartner, A. Marguerite. Oklahoma Bird Life. Norman, OK: Univ. Of Oklahoma Press, 1992. 1st Edition. Hardcover. 4to. 443 pages. Wallace Hughes. Fine in Near Fine DJ. Color Illustrations. Comprehensive and lavishly illustrated guide. ISBN: 0806117923 (Nature) (Birds, Oklahoma)