See, in his accurate and amusing biographer, the application of Petrarch and Rome to Benedict XII. in the year 1334 (Memoires, tom. i. p. 261 - 265), to Clement VI. in 1342 (tom. ii. p. 45 - 47), and to Urban V. in 1366, (tom. iii. p. 677- 691): his praise (p. 711 - 715) and excuse (p. 771) of the last of these pontiffs. His angry controversy on the respective merits of France and Italy may be found, Opp. p. 1068 - 1085.