W.R. Cross, 1880s (ca), Scaffolds - Indian Dead Bodies, Stereoview, Ebay, LL/107925

W.R. Cross, 1907 (ca), A few good Indians--Scenes at Hot Springs, S.D., Stereoview, Library of Congress, Prints and Photographs Division, LL/108557

W.R. Cross, n.d., Backlist for "Stereoscopic Views and Card Pictures of the Sioux Indians from New Spotted Tail Agency and Upper Missouri River. - W. R. Cross, Photographer, Niobrara, Neb.", Stereocard, back, Private collection of Joan Hostetler, LL/106728