Mathematics
- Uncategorized, Illustration, Ground Plan of Globe Theatre: [Visual Content]
- Uncategorized, Illustration, Map of the Forum at Pompeii: [Visual Content]
- John Dee, Monas Hieroglyphica, Monas and Tetractys: [Visual Content]
- Iamblichus, Life of Pythagoras, P. 80. I swear by him who the tetractys found.: "The tetrad was called by the Pythagoreans every number, because it comprehends in itself all..."
- Robert Fludd, De Divinis Numeris, Vidi Jehovam in altissimo throno super palatium mundanum elevato sedentem…: [Visual Content]
- Leonardo da Vinci, Notebooks, Vitruvian Man: [Visual Content]