Marcus Vitruvius Pollio, c. 30–20 BC
Dedicated to Augustus, the ten books cover the training of the architect, materials, temples, the orders, public and private buildings, finishes, water, gnomonics, and machines. The only complete architectural treatise to survive from classical antiquity.
Translated by Claude from Valentin Rose's 1899 Teubner edition, digitized by Project Gutenberg. The source text is in the public domain.