Sparkman, P. G. Publications of the University of California, vol. 8, 4, p. 210. Luiseño. 1908.
Wren, C. Proceedings and Collections of the Wyoming Historical and Geological Society, vol. 10, pp. 195 ff. Pennsylvania, 1908.
Rope.
McGee, W J American Anthropologist, vol. 10, p. 114. Mexico. 1897.
Sandals.
Snyder, J. F. American Archæologist, 1899, pp. 5 ff. 1899.
Pepper, G. H. Journal of the American Museum of Natural History, 1902, p. 11. Utah. (Guide Leaflet, 6.) 1902.
Scrapers.
Turner, L. M. American Anthropologist, vol. 1, p. 186. Naskopie. 1888.
Perkins, G. H. The Archæologist, 1, p. 59. 1893.