Fossil bison and associated artifacts from Plainview, Texas. - Boulder, CO.

von Sellards, E.H
Veröffentlicht in Bulletin of the Geological Society of America ; 58.1947, S. 927-954 : 11 Ill. ; 6 Tab.
1947.

The Nall site : evidence of early man in the Oklahoma Panhandle. - Oklahoma City, OK.

von Baker, William E.
Veröffentlicht in Bulletin of the Oklahoma Anthropological Society ; 5.1957, S. 1-20.
1957.