[*89] For the war in Tuscany see Rossi, La Guerra in Toscana dell'anno 1447-8 (Firenze, 1903).
[90] Berni dates the Tuscan campaign as in 1451, but Sismondi is correct.
[91] Though pruned of not a few redundant particles which obscure the original, this letter proves that even before Spanish fashion had elaborated feebly magniloquent expletives, the Italian style was justly chargeable with verbiage.
[92] Istorie, lib. VI.
[93] Carteggio d'Artisti, I., p. 178. Promis, the recent editor of Francesco di Giorgio's works, conjectures this artillery-founder to have been Agostino da Piacenza, not Francesco, as had been supposed.
[94] From the Italian original, in the Archivio Diplomatico at Siena.
[*95] There are here three mistakes in three lines. (1) Sigismondo had not betrayed Sforza; (2) he had not strangled his natural daughter; (3) his third wife Isotta outlived him. See Edward Hutton, op. cit.
[96] See above, [p. 68], and afterwards [ch. XIV].
[*97] Pius II. hated Sigismondo for his supposed treachery to Siena quite as much as Federigo did.
[98] Bibl. Laurentiana, plut. 90, cod. sup. 138, f. 4. We take these proceedings from the Pope's own narrative, Commentaria, pp. 52, 74.