EvansPritchard: "The Nuer of the Southern Sudan" (1940)
* This record is printed in a series of papers in Sudan Notes and Records from 1933 to 1938. The research was done on four expeditions and was financed mainly by the Government of the AngloEgyptian Sudan and partly through a Leverhulme Fellowship. ... secondary, and tertiary tribal sections. Primary sections are segments of a tribe, secondary ...