5 vols.
Bird Books - Birds of Prey, including: Newton, Ian, et al., editors. Birds of Prey. New York, etc., (1990). 4to, orig. cloth, d/j. Color photo plates, other illus. * Mansel, William. North American Birds of Prey. New York, (1980). 1st Am. ed. Illus. by Gary Low. 4to, orig. cloth, d/j (some dust soiling). Color plates, other illus. * Voous, Karl H. Owls of the Northern Hemisphere. Cambridge: MIT Press, (1989). Illus. by Ad Cameron. Sm. folio, orig. cloth, d/j. Color plates, other illus.