Note 554 — Chapter VIII
Reading edition
See further, Clavigero, Storia del Messico, tom. iv, pp. 19–20; Jones, Hist. Anc. Amer., p. 122; Bancroft, vol. iv, p. 474; Prescott, Mex., tom. iii, p. 407; Humboldt, Essai Pol., tom. i, p. 265; Tylor’s Early History, p. 206.