Fowke, G. Archæological History of Ohio. Columbus. 1902.
Lewis, A. B. Tribes of the Columbia Valley and the Coast of Washington and Oregon. Memoirs of the American Anthropological Association, vol. I, pp. 147 ff. Index and Bibliography. 1905–1907.
Abbott, C. C. Archæologia Nova Cæsarea. Three Pamphlets. Trenton. 1907–8.
Mills, W. C. Certain Mounds and Village Sites in Ohio. Vol. I, 1907. Vol. II, Part 1, 1909.
Barrett, S. A. The Ethno-Geography of the Pomo and Neighboring Indians. University of California Publications in American Archæology and Ethnology, vol. 6, no. 1. Bibliography and Map. 1908.
Randall, E. O. The Masterpieces of the Ohio Mound Builders. Columbus.
Boas Anniversary Volume. New York. 1906.
Putnam Anniversary Volume. New York. 1909.
Moorehead, W. K. See last pages of Bibliography for titles.