Peabody, C., and Moorehead, W. K. Bulletin 2, Phillips Academy, Andover. A general discussion. 1906.
Gouges.
Perkins, G. H. International Congress of Anthropology, p. 89. Champlain Valley. 1894.
Laidlaw, G. E. American Anthropologist, vol. 19, p. 68. Ontario. 1897.
Williams, F. H. American Archæologist, 1898, p. 180. 1898.
Willoughby, C. C. Papers of the Peabody Museum, vol. 1, no. 16, p. 23. Maine. 1898.
Graves.
Thomas, C. American Anthropologist, vol. 4, pp. 109 ff. Shawnees. 1891.
Deans, J. American Antiquarian, vol. 14, pp. 41 ff. British Columbia. 1892.
Thruston, G. P. The Archæologist, 1893, p. 146. Tennessee. 1893.