Recto: The Port City of Alexandria (? Allusion to Dinocrates's Building of Alexandria, Vitruvius, Book 2, introduction, no. 1) ; Verso: Fragmentary Writing ('Libro Primo. . . '). , 1530?45, Pen and dark brown ink, sheet: 8 3/8 x 5 9/16 in. (21. 2 x 14. 2 cm), Drawings, 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