The cowbirds: a study in the biology of social parasitism.
Springfield: Charles C. Thomas, 1929. Octavo, photographs, signature, bookplate, publisher's cloth. More
Springfield: Charles C. Thomas, 1929. Octavo, photographs, signature, bookplate, publisher's cloth. More
Washington: Smithsonian Institution, Bulletin 233, 1963. Octavo, wrappers, a very good copy. United States National Museum Bulletin 233. More
Lubbock: Texas Tech University Press, 1993. Oblong format, paperback, colour photographs. A photographic essay on this ground dwelling member of the cuckoo family. Also available in hardcover. More
Tucson: University of Arizona Press, 1998. Octavo, illustrations, fine copy in dustwrapper. The authors summarises the information on cowbirds that has appeared since the publication of Friedmann's classic 1929 monograph on these birds. More