Note IX-63 — Chapter IX · ANTIQUITIES OF THE CENTRAL PLATEAUX.
Reading edition
Mayer, in Schoolcraft's Arch., vol. vi., p. 589, pl. vi.; Id., Mex. as it Was, pp. 100-1; Id., Mex. Aztec, etc., vol. ii., p. 274; Gondra, in Prescott, Hist. Conq. Mex., tom. iii., pp. 89-90, pl. xvi.