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Cardella, Lorenzo (1794). Memorie storiche de' cardinali della Santa Romana Chiesa. Vol.VIII. Rome: Pagliarini, pp. 252–253. (in Italian)
Pastor, Ludwig (von) (1941). The history of the popes, from the close of the middle ages. Vol. XXXIV (London: Kegan Paul). pp. 37, 181,
334. 338, 385. 386, 390, 403.
Weber, Christoph (1994). Legati e governatori dello Stato Pontificio : 1550-1809. Roma : Ministero per i beni culturali e ambientali, Ufficio centrale per i beni archivistici, pp. 117, 220, 282, 333, 418, 433 and 673. (in Italian)