---- III., King of Naples (Charles of Durazzo), 65, 70. ---- IV., Roman Emperor (Charles of Luxemburg), 26; overturns the government of the Nine, 27, 28; negotiations with the Sienese, 30, 31; again at Siena, 32, 33; his defeat and humiliation, 33, 34, 37. ---- V., Roman Emperor and King of Spain, takes Siena under his protection, 211; sends Spanish governors and soldiers, 216; visits Siena, 218; his ministers and governors, 218, 219; intends to build a citadel, 220, 221; his reception of the Sienese ambassadors, 222; referred to, 226, 227, 232, 241; Siena capitulates to, 242; invests his son, Philip II., with Siena, 243. ---- VIII., King of France, 81, 82, 294, 295. ---- of Anjou, Duke of Calabria, 24. Chigi, Fabio. See Alexander VII., Pope. ---- Sigismondo, 91. Ciaccheri, Fra Matteo, chronicler of San Gimignano, 335, 336, 339, 340, 344, 353. Cino, Cardinal Giovanni Battista. See Innocent VIII., Pope. Cini, Giovanni di Lorenzo, painter (Cinquecento), 274, 276, 277. Clement VII., Pope (Giulio de' Medici), aids Fabio Petrucci in his designs on Siena, 98; supports Alessandro Bichi, 210; takes up the cause of the Noveschi and declares war on Siena, 212, 213; his army routed, 214, 215. Colle di Val d'Elsa, battle of, 19, 20. Colombini, Beato Giovanni, 111. Colonna, Giulio, condottiere of the Sienese, 214. Correggio, Giberto da, his treachery, 70, 112; put to death by the Balìa, 144-146. Cozzarelli, Giacomo, architect and sculptor (1453-1515), 102, 248, 262, 282, 299, 300. ----, Guidoccio, painter (1450-1516), 114, 119, 157, 274. Coppi, G. A., chronicler of San Gimignano, 330. D. Dante, on the battle of Montaperti, 16; on Provenzano Salvani, 19, 131, 283; on the battle of Colle and Sapia, 20; other references of his to Sienese matters, 21, 22, 23; Boccaccio's account of him in the Campo, 131, 132; referred to, 139, 141, 149; the decorations and pavement of the Duomo illustrated from the _De Monarchia_ and the _Divina Commedia_, 154, 155, 156; referred to, 165, 177, 178; his story of La Pia, 258; his allusion to the Diana, 262 (and note); collection of documents illustrating his works, 268, 269; references to, 300, 305; his embassy to San Gimignano. 333, 334; his _Inferno_ contrasted with that of Taddeo di Bartolo, 346, 347; in the Council Chamber of San Gimignano, 352; references to, 355, 359.