Note *68 — Chapter XLIII
Reading edition
In 1562 Guidobaldo had augmented the tax on grain by leave of Pius IV. Cf. Ugolini, op. cit., vol. II., p. 28, and Pellegrini, Gubbio sotto i Conti e Duchi d'Urbino in Boll. per l'Umbria, vol. XI., p. 239 et seq., and esp. Celli, Tasse e Rivoluzione (Torino, 1892), p. 39.