Birds Collected by the Childs Frick Expedition to Ethiopia and Kenya Colony. 2 Bde. Washington, Smithonian Institution 1930-1937. Mit 26 Taf. (davon 2 farb.). XIII, 119-516 S.; XII, 506 S. OU. (Etw. randriss.). - (= United States Nat. Mus. Bulletin No. 153). - Unaufgeschn. Ex. [...]
(Zoologie, Vögel)