@article{pumphrey1937,
  author  = {Pumphrey, M. E. C.},
  journal = {Sudan Notes and Records},
  key     = {Pumphrey (1937)},
  number  = {2},
  pages   = {319-321},
  title   = {Shilluk" royal" language conventions},
  volume  = {20},
  year    = {1937}
}