Note IV-12 — Chapter IV · THE TOLTEC PERIOD.
Reading edition
503 or 510 or 509 or 556. Ixtlilxochitl. 700, et seq. Torquemada. 713-19. Veytia. Brasseur has 718. 670, et seq. Müller. All the authorities agree on 7 Acatl as the date of the establishment of the kingdom. Clavigero interprets the date as 667.