Sources for images used in Sister Stories Aztec drawings From the Florentine Codex, after Francisco del Paso y Troncoso, 1905: Historia general de las cosas de Nueva España, por Fray Bernardino de Sahagún. Tomo V. Madrid Aztec calendar stone In the national collection of Mexico, and housed at the Museo Nacional de Antropología, México, Mexico City. Coyolxauhqui stone Housed at the Museo del Templo Mayor, Mexico City. Drawing of Aztec fire-butterfly, or soul, used in the Song Section in Sister Stories FREDERIKSEN, Thomas H., Student Teacher Resource Center On-Line Student Resource Center: Humboldt Co. Ca.: spring, 2000 http://northcoast.com/~spdtom/index.html Drawing of diviner and woman and child, used on the "scribe" page in Sister Stories. Codex Xolotl, in the Bibliotheque Nationale, Paris, Ms. mex. Nos. 1-10 published in: Boban, Eugéne, Documents pour servir á l'histoire du Mexique, vol. I:55-208, plates i-10; 1891, Paris; Plate 6.