Note VII-57 — Chapter VII · ANTIQUITIES OF OAJACA AND GUERRERO.
Reading edition
Charnay, Ruines Amér., phot. xiii.-xvi.; Dupaix, p. 33, pl. xxxiii., fig. 82-3; Kingsborough, vol. v., pp. 258-9, vol. vi., pp. 450-1, vol. iv., pl. xxx., fig. 84; Lenoir, in Antiq. Mex., tom. ii., div. i., pp. 53, 16; Mühlenpfordt, in Ilustracion Mej., p. 500, pl. vi.; Tempsky's Mitla, pp. 250-1.