books.google.com - The oldest and most influential book ever written on architecture, this volume served as a guide to Bramante, Michelangelo, Palladio, Vignola, and countless others. It describes the classic principles of symmetry, harmony, and proportion as well as the ancients' methods, materials, and aesthetics. Authoritative...http://books.google.com/books/about/Vitruvius.html?id=g74AMOQxvJ8C&utm_source=gb-gplus-shareVitruvius
