Pumphrey, M. E. C. 1941. The Shilluk Tribe. Sudan Notes and Records 24. 1-45.
@article{pumphrey1941, author = {Pumphrey, M. E. C.}, journal = {Sudan Notes and Records}, key = {Pumphrey (1941)}, pages = {1-45}, title = {The Shilluk Tribe}, volume = {24}, year = {1941} }