Brave Bull Allard, Ladonna. "Eagle Woman". american-tribes.com. Consultado o 24 de maio 2020. Matilda Picotte Galpin, tamén coñecida como Eagle Woman, foi a única muller xefa dos síux.
Gray, John S. (1986). "The Story of Mrs. Picotte-Galpin, a Sioux Heroine: Eagle Woman Becomes a Trader and Counsels for Peace, 1868–1888". Montana: The Magazine of Western History36 (3). pp. 2–21. ISSN0026-9891. JSTOR4518988.
Gray, John S. (1986). "The Story of Mrs. Picotte-Galpin, a Sioux Heroine: Eagle Woman Becomes a Trader and Counsels for Peace, 1868–1888". Montana: The Magazine of Western History36 (3). pp. 2–21. ISSN0026-9891. JSTOR4518988.