[255] Mémoires, vi. chap. v.
[256] Archives of Urbino (Tuscan. Central Arch.), class i. div. iv. 104.
[257] Brief of Sixtus IV. to the parish of Perugia, Rome, June 10, 1478, in the Cronache e Storie di Perugia, ii. 580.
[258] Divine Comedy, Purg. xiv. 48.
[259] Divine Comedy, Inferno, xxix. 46.
[260] The best details of the campaign of 1478-9 are given in Allegretti’s Diarj Senesi Sanesi, 1. c., 784-797.
[261] Rainaldi, Ann. Eccl., 1. c., p. 585.
[262] Roscoe, Illustrations, Doc. v., Heidelberg edit., iv. 199.
[263] Fabroni, ii. 136-166. See above, p. 387.
[264] Letter of July 25, 1478, in Fabroni, ii. 130.