@book{curtis1909,
  address = {Cambridge},
  author  = {Curtis, E. S.},
  key     = {Curtis (1909)},
  pages   = {129-172, 180-196},
  series  = {The North American Indian},
  title   = {The Apsaroke, or Crows. The Hidatsa.},
  volume  = {4},
  year    = {1909}
}