Tivoli, Villa of Maecenas and part of the Cascatelle, late 18th century, Pen and black ink, brush and blue-gray wash over graphite, Sheet: 8 7/8 x 16 in. (22. 5 x 40. 6 cm), Drawings, Copy after (? ) John Robert Cozens (British, London 1752?1797 London), In 1794 Cozens suffered a nervous breakdown and was placed under the care of Dr. Thomas Monro, a physician and patron of the arts. Appreciating Cozens's exceptional contributions as a watercolorist, Monro employed young artists such as Thomas Girtin and J