NAA MS 4238
Concerns the origin of the word: Tassinong. The Handbook of American Indians North of Mexico gives it as "probably a Potawatomie place name." Replies from the following are cited: Truman Michelson, Robert V. Merrill (2), Ernest J. Leveque, C. H. C. Wright, J. D. M. Ford, Jean L. Launay, W. A. Briggs (Gary, Indiana), and J. P. Harrington.
Manuscript 4238, National Anthropological Archives, Smithsonian Institution