books.google.ca - The Oromo people are one of the most numerous in Africa. Census data are not reliable but there are probably twenty million people whose first language is Oromo and who recognize themselves as Oromo. In the older literature they are often called Galla. Except for a relatively small number of arid land...http://books.google.ca/books/about/Being_and_becoming_Oromo.html?id=xmp2lsKlqx0C&utm_source=gb-gplus-shareBeing and becoming Oromo
