Jackson, H. C. 1923. Nuer of the Upper Nile Province. Sudan Notes and Records 6. 59-107, 123-89.
@article{jackson1923, author = {Jackson, H. C.}, journal = {Sudan Notes and Records}, key = {Jackson (1923)}, pages = {59-107, 123-89}, title = {Nuer of the Upper Nile Province}, volume = {6}, year = {1923} }