• International University Libraries. OCLC 53276621. Andrea Piazza, "Alberto, antipapa", Enciclopedia dei Papi (Rome: 2000). I. S. Robinson, Henry IV of Germany...
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  • An antipope (Latin: antipapa) is a person who claims to be Bishop of Rome and leader of the Roman Catholic Church in opposition to the legitimately elected...
    32 KB (2,030 words) - 18:19, 28 July 2024
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    Amadeus VIII of Savoy at Wikisource Cognasso, Francesco (2000). "Felice V, antipapa". Enciclopedia dei Papi (Treccani 2000) (in Italian) Bernard Andenmatten:...
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    Enciclopedia dei Papi. Volume 1: Pietro, santo. Anastasio bibliotecario, antipapa. Istituto della Enciclopedia Italiana, Rome 2000, pp. 349–372 (treccani...
    27 KB (3,460 words) - 18:13, 13 August 2024
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    based on the mottos that were explained by Wion and those that were not. Lorenzo Comensoli Antonini divides the list between mottos 73 and 74, based on...
    88 KB (3,200 words) - 06:08, 4 August 2024
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    (Paris: Victor Lecoffre 1912), p. 214. Amedeo De Vincentiis, "Niccolò V, antipapa," Dizionario Biografico degli Italiani Volume 78 (2013). (in Italian) Giovanni...
    45 KB (5,960 words) - 11:14, 31 March 2024