Recto: Temple Types: in Antis and Prostyle (Vitruvius, Book 3, Chapter 2, nos. 2, 3) ; Verso: Temple Types: Peripteral (Vitruvius, Book 3, Chapter 2, no. 5). , 1530?45, Pen and dark brown ink, Sheet: 6 1/8 x 10 1/2 in. (15. 5 x 26. 6 cm), Attributed to a member of the Sangallo family (Florence, ca. 1530?1545), A recent discovery, this sheet and seven others comprised a manuscript draft for an Italian edition of the sole surviving architectural treatise of Roman antiquity, Ten Books on Architecture by Marcus Pollius Vitruvius (late first century B