The elements of civil architecture, according to Vitruvius and other ancients, and the most approved practice of modern authors, especially Palladio (1818)
Aldrich, Henry, 1648-1710 · Oxford : Printed by W. Baxter for J. Parker ; London : Payne and Foss : Law and Whittaker · leaf 233
•1 AH. XXXIV.
Vitruvius Pollio · Palladio, Andrea, 1508-1580 · Architecture · Architecture -- Early works to 1800
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.