| 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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| Keating, William H. | Narrative of an Expedition to the Source of St. Peter’s River, Lake Winnepeck, Lake of the woods, &c., &c., performed in the year 1823. Philadelphia, 1824. |
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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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| Schoolcraft, Henry R. | Historical and Statistical Information respecting the History, Condition and Prospects of the Indian Tribes of the United States. Philadelphia, 1851-57. |
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| Spinden, H. J. | The Nez Perce Indians. (Memoirs of the American Anthropological Association, Vol. 2, Part 3). |
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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). |