EditorialTintern Abbey by Moonlight, ca. 1789, Graphite and watercolor with scratching out, sheet: 5 1/4 x 8 1/4 in. (13.3 x 20.9 cm), Drawings, John 'Warwick' Smith (British, Irthington, Cumberland 1749?1831 London), John 'Warwick' Smith-whose sobriquet refers...