Lumholtz, Carl. Unknown Mexico: A Record of Five Years' Exploration among the Tribes of the Western Sahara Madres;In the Tierra Caliente of Tepic and Jalisco;And among the Tarascos of Michoacan. Vol. 2. New York: Charles Schribner's Sons, 1902. https://www.ltrr.arizona.edu/webhome/cbaisan/CHB/Mexico/Mexico%20Project/Unknown%20Mexico,%20Lumholtz,%201902%20Vol.%202.pdf.

Lumholtz, Carl. Unknown Mexico: A Record of Five Years' Exploration among the Tribes of the Western Sahara Madres;In the Tierra Caliente of Tepic and Jalisco;And among the Tarascos of Michoacan. Vol. 2. New York: Charles Schribner's Sons, 1902. https://www.ltrr.arizona.edu/webhome/cbaisan/CHB/Mexico/Mexico%20Project/Unknown%20Mexico,%20Lumholtz,%201902%20Vol.%202.pdf.