- An Aztec Herbal: The Classic Codex of 1552
- Wealth and Our Commonwealth: Why America Should Tax Accumulated Fortunes
- 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
- Outline Dictionary of Maya Glyphs and Glyph Studies
- Commentary Upon the Maya-Tzental Perez Codex












