Photo of Indian police sitting at a table full of paper and guns, the man sitting on the far left and the man sitting on the far right are identified as Nez Perce.
Washington State University Libraries, Manuscripts, Archives and Special Collections
Source:
Frank Fuller Avery Collection (PC 19), Manuscripts, Archives, and Special Collections, Washington State University Libraries. http://content.libraries.wsu.edu/cdm/singleitem/collection/ffavery/id/31/rec/95 (PC19B0F26)