Research and publish edition:
Ce-Acatl A.C
Design and correlation: Juan Anzaldo M.
Colaboration of Alfonso Anzaldo and Rafael Angeles Melendez
English translation: Xohiyohua Gutiérrez
Edition by Centro de Estudios Antropologicos Ce-Acatl A.C
Cerro de Churintzio 108, Coyoacán 04200 México, D.F.