Note X-11 — Chapter X · ANTIQUITIES OF THE NORTHERN MEXICAN STATES.
Reading edition
Löwenstern, Mexique, pp. 265-7, 280, 344; Id., in Nouvelles Annales des Voy., 1840, tom. lxxxvi., pp. 119-20; Id., in Lond. Geog. Soc., Jour., vol. xi., p. 104; Cincinnatus' Travels, p. 259.