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2. Espinosa, I. F. de 1927 Descriptions of the Tejas or Asinai Indians, 1691- 1722. Translated by M. A. Hatcher. Southwestern Historical Quarterly 31:150-180.
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4. Fields, R. C., and E. F. Gadus (editors) 2012 Archeology of the Nadaco Caddo: The View from the Pine Tree Mound Site (41HS15), Harrison County, Texas. 2 Vols. Reports of Investigations No. 164. Prewitt and Associates, Inc., Austin.
5. Fields, R. C., V. L. Hatfield, D. Burden, E. F. Gadus, M. C. Wilder, and K. W. Kibler 2014 Testing and Data Recovery Excavations at 11 Native American Archeological Sites along the U.S. Highway 271 Mount Pleasant Relief Route, Titus County, Texas. 2 Vols. Reports of Investigations No. 168. Prewitt and Associates, Inc., Austin.