John K. Hillers, n.d., 21 Mouth of the Narrows (Looking Down), [Views on the Rio Virgen], Stereocard, detail, Jefferson Stereoptics, LL/11739

John K. Hillers, n.d., 21 Mouth of the Narrows (Looking Down), [Views on the Rio Virgen], Stereocard, Jefferson Stereoptics, LL/11738

John K. Hillers, n.d., No. 50. U-AI Nu-Ints. A tribe of Indians living on the Rio Virgen, a tributary of the Colorado, in Southern Utah, [Indians of the Colorado Valley / U.S. Topographical and Geological Survey of the Colorado River of the West], Stereoview, Cowan's Auctions, Inc, LL/82776

John K. Hillers, n.d., Sai-ar's Home, Indians of the Colorado Valley, Stereocard, National Museum of American History, Smithsonian Institution, LL/95920

John K. Hillers, n.d., The brother chiefs, [U.S. Topographical and geological survey of the Colorado River of the West. By J.W. Powell and A.H. Thompson], Stereograph, American Antiquarian Society, LL/82674