The Nymphaeum of the Villa di Papa Giulio, Rome, ca. 1761, Red chalk, with framing lines in pen and brown ink, 15 9/16 x 20 3/4 in. (39. 8 x 53. 0 cm), Drawings, Hubert Robert (French, Paris 1733?1808 Paris), Over the course of his eleven year stay in Rome, from 1754 to 1765, Hubert Robert made several drawings of the Villa Giulia built in 1551-1553, following the designs of Giacomo Barozzi da Vignola (1507-1573)