Keywords: Giotto di Bondone - Design sketch for the Campanile - WGA09366.jpg Parchment Institution Museo dell'Opera del Duomo Siena object history credit line accession number WGA link 9366 http //www wga hu/art/g/giotto/zz_misc/z_campan/21campan jpg http //www wga hu/html/g/giotto/zz_misc/z_campan/21campan html PD-old-100 painting religious Italian 1301-1350 Giotto's Bell Tower Museo dell'Opera del Duomo Siena 1334 paintings WGA form painting WGA type religious WGA School Italian WGA time period 1301-1350 |