“The numerals of Pythagoras were hieroglyphical symbols, by means whereof he explained all ideas concerning the nature of all things” – Porphyry
- Siphra Dzeniouta (The Book of Concealed Mystery) – Kabbalah
- The Popol Vuh (The Mythic and Heroic Sagas of the Kichés of Central America) – Kiche Manuscript
- Phaedrus – Plato
- Timaeus – Plato
- Aitareya Brahmanam – Vedas
