Sahagun, Bernardino. 15001-1590. Ceb 23.39.1.5
De la retorica y filosofia, moral y telogie, de la gente mexicana. (In King, Edward, viscount Kingsborough, editor. Antiquities of Mexico. Vol. 5, pp. 345-490. London, 1831-1848. Chapters 1-40 of the sixth book of his Historia universal de las cosas de Nueva Espana.
-Indians of Mexico.