Author: Miller, Alden H., Ian I. McMillan & Eben McMillan.
Title: The current status and welfare of the California Condor.
Description: New York, National Audubon Society, 1965. [II],61 pp. 4 b./w. figs & 4 plts with b./w. ills. Orig. softcover (stapled printed wrappers). Large 8vo. (Research Report No. 6 of the National Audubon Society).

Keywords: Birds of prey Monography Condor America Roofvogels Monografie Amerika