Host relations of the parasitic cowbirds /

At head of title: Museum of Natural History.

The birds of North and Middle America: a descriptive catalog of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galapagos Archipelago.

Pts. 1-8, 1901-19 by Robert Ridgway; pt. 9-10, 1941-46 by Robert Ridgway, completed by Herbert Friedmann; pt. 11- , 1950- by Friedmann.

Der Kaukasus und seine Völker : nach eigener Anschauuug /

Photocopy.

Annales du Service des antiquités de l'Egypte /

Mode of access: Internet.

The Oriental species of the tribe Haematopotini (Diptera, Tabanidae) /

Issued Aug. 1974.