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Plummets.
Snyder, J. F., and Muhlig, F. M. The Antiquarian, 1897, p. 101. 1897.
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Williams, F. H. American Archæologist, 1898, p. 181.
Peabody, C. Bulletin of the University of Pennsylvania, May, 1901, pp. 125 ff. A general discussion. 1901.
Brown, C. E. Wisconsin Archeologist, 1909, pp. 139 ff. 1909.
Pottery.
Putnam, F. W. Archæological Explorations in Tennessee, p. 318. 1878.
Barbour, E. A. American Antiquarian, vol. 1, p. 61. 1878.