Ethnological Report on the Umatilia, Walla Walla, and Cayuse Indians Relative to Socio-Political Organization and Land Use; Re: The Confederated Tribes of the Umatilla Reservation of Oregon v. The United States of America Before the Indian Claims Commission Docket No. 264 Submitted by: Robert J. Suphan, Box: MSS-016.18, item: 5. Ralph A. Barney Collection of Indian Claims Commission Papers, MSS-016. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/9139 Accessed May 20, 2024.