Books by Emil K. Urban
Birds from Coahuila, Mexico
Birds from Coahuila, Mexico
Birds of Africa, Volume VI Vol. 6
Birds of Africa, Volume II
Ethiopia's endemic birds
Ethiopia's endemic birds
A checklist of the birds of Et
A checklist of the birds of Ethiopia
Bibliography of the avifauna o
Bibliography of the avifauna of Ethiopia
Shell guide to Ethiopian birds
Shell guide to Ethiopian birds
The Birds of Africa