Spuds.

Brown, C. E. Wisconsin Archeologist, vol. 2, 1, pp. 15 ff. 1902.

Steatite.

Holmes, W. H. Report of the Bureau of Ethnology, 15, pp. 106 ff. A general discussion. 1893–94.

MacCurdy, G. G. American Anthropologist, vol. 5, n. s., p. 68. 1903.

Bushnell, G. I., Jr. American Anthropologist, vol. 10, 1908, p. 546. Virginia. 1908.

Skinner, A. American Anthropologist, vol. 10, n. s., p. 702. 1908.

Lowie, R. H. Anthropological Papers of the American Museum of Natural History, vol. 2, pt. 2, p. 174. Shoshone. 1909.

Stone and Stone Implements.

Sylvester, J. E. American Antiquarian, vol. 1, p. 73. Ohio. 1878.