Colorado Prehistory: A Context for the Platte River Basin. Kevin P. Gilmore, Marcia Tate, Mark J. Chenault, Bonnie Clark, Terrimcbride , and Margaret Wood. Colorado Council of Professional Archaeologists, Denver, xiii + 453 pp. $39.00 (paper), ISBN 0-87480-709-3. C. Riggs • 2004
Ethnology: Requiem for a People: The Rogue Indians and the Frontiersmen. STEPHEN DOW BECKHAM SUSAN U. PHILIPS, C. Riggs • 1973