| Clark, W. P. | The Indian Sign Language. Philadelphia, 1885. |
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| Culin, Stewart. | Games of the North American Indians. (Twenty-fourth Annual Report, Bureau of American Ethnology, Washington, 1907). |
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| Duvall, D. C. | See Clark Wissler. |
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| Goldenweiser, A. A. | Totemism, An Analytical Study. (Reprinted from the Journal of American Folk-lore, Vol. 23, April-June, 1910). |
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| Grinnell, George Bird. | Blackfoot Lodge Tales. New York, 1904. |
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| Henry and Thompson. | New Light on the Early History of the Great Northwest. Edited by Elliott Coues. New York, 1897. |
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| Hoffman, Walter James. | The Beginnings of Writing. New York, 1895. |
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| Kane, Paul. | Wanderings of an Artist among the Indians of North America. London, 1859. |
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| Kroeber, Alfred L. | (a) Ethnology of the Gros Ventre. (Anthropological Papers, American Museum of Natural History, 1908, Vol. 1, Part 4, pp. 141-282). |
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| (b) The Arapaho. (Bulletin, American Museum of Natural History, New York, Vol. 18). |
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| Lowie, Robert H. | (a) The Assiniboine. (Anthropological Papers, American Museum of Natural History, 1909, Vol. 4, Part 1, pp. 1-270). |
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| (b) The Northern Shoshone. (Anthropological Papers, American Museum of Natural History, 1909, Vol. 2, Part 2, pp. 165-306). |
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| Maclean, John. | (a) The Gesture Language of the Blackfeet. (Transactions, Canadian Institute, Vol. 5. Toronto, 1898). |
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| (b) Canadian Savage Folk. The Native Tribes of Canada. Toronto, 1896. |
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| (c) Social Organization of the Blackfoot Indians. (Transactions, Canadian Institute, Vol. 4, 1892-93. Toronto, 1895). |
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| (d) Blackfoot Amusements. (Scientific American Supplement, June 8, 1901, pp. 21276-7). |
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| Maximilian, Prince of Wied. | Early Western Travels, 1748-1846. Edited by Reuben Gold Thwaites. Cleveland, 1906. |
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| McClintock, Walter. | The Old North Trail. London, 1910. |
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| Mooney, James. | The Cheyenne Indians. (Memoirs, American Anthropological Association, Vol. 1, Part 6, pp. 357-642. Lancaster, Pa., 1907). |
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| Swanton, John R. | The Social Organization of American Tribes. (American Anthropologist, N. S., Vol. 7, pp. 663-673, 1905.) |
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| Uhlenbeck, C. C. | (a) Original Blackfoot Texts. (Verhandelingen der Koninklijke Akademie van Wetenschappen to Amsterdam. Deel XII, No. 1. Amsterdam, 1911). |
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| (b) Geslachts en Persoonsnamen der Peigans. Amsterdam, 1911. |
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| Wissler, Clark. | (a) Decorative Art of the Sioux Indians. (Bulletin, American Museum of Natural History, Vol. 18, New York, 1904). |
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| (b) The Whirlwind and the Elk in the Mythology of the Dakota. (Journal of American Folk-lore, Vol. 18, October-December, 1905). |
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| Wissler, Clark, and Duvall, D. C. | Mythology of the Blackfoot Indians. (Anthropological Papers of the American Museum of Natural History, 1908, Vol. 2, Part 1, pp. 1-164). |
Misspelled words and printer errors have been corrected. Where multiple spellings occur, majority use has been employed.
Punctuation has been maintained except where obvious printer errors occur.
Some illustrations were moved to facilitate page layout.