Note *24 — Chapter II
Reading edition
The authorities for the life of Count Guido il Vecchio of Montefeltro are the Cronaca Riminese and the Cronaca Estense, in Muratori, R.I.S. Cf. also Villani, Cronaca, especially lib. VII., caps. 81, 128, and Rodolfo Honig, Conte Guido di Montefeltro (Bologna, 1901). Cf. also Rizzoli, I Sigilli nel Museo Bottacin di Padova (Padova, 1903), p. 51, tav. 6, where a seal of Guido is described and illustrated.