Gray, Dennis J (1987). "The Takelma and Their Athapascan Neighbors"(PDF). Southern Oregon University. pp. 17, 79. Archived from the original(PDF) on 2013-12-05. Retrieved 2009-05-05.. For Stewart River, Mr. Gray was referencing a 1925 work by A. L. Kroeber called Handbook of California Indians. For Si-ku-ptat, a 1981 work by J. P. Harrington. An Oregon Department of Environmental Quality report cites "Landry" for Si'kuptat.
Gray, Dennis J (1987). "The Takelma and Their Athapascan Neighbors"(PDF). Southern Oregon University. pp. 17, 79. Archived from the original(PDF) on 2013-12-05. Retrieved 2009-05-05.. For Stewart River, Mr. Gray was referencing a 1925 work by A. L. Kroeber called Handbook of California Indians. For Si-ku-ptat, a 1981 work by J. P. Harrington. An Oregon Department of Environmental Quality report cites "Landry" for Si'kuptat.