Parks 1979

Parks, Douglas R. 1979. The Northern Caddoan languages: Their subgrouping and time depths. Nebraska History, 60. 197-213.

@misc{7215,
  author = {Parks, Douglas R.},
  title  = {The Northern Caddoan languages: Their subgrouping and time depths. Nebraska History, 60. 197-213.},
  year   = {1979}
}