Commentary upon the Maya-Tzental Perez codex
Commentary Upon the Maya-Tzental Perez Codex: With a Concluding Note Upon the Linguistic Problem of the Maya Glyphs, by William E. Gates
Commentary Upon The Maya-Tzental Perez Codex
Early Chinese Painting
The Maya and Tzental Calendars: Comprising the Complete Series of Days, with Their Positions in the Month for Each One of the Fifty-Two Years of the Cycle, According to Each System