Sede Vacante 1458
August 6—19 , 1458
Documents concerning the Election of 1458
- Cronaca of Niccolò della Tuccia of Viterbo (1457, 1458)
- Letter of Jacopo della Torre, Bishop of Modena, to Francesco Sforza, Duke of Milan, on audiences with Calixtus III (June 11, 1458) [Pastor, History of the Popes, 3rd edition, II, pp. 556-557]
- Letter of Ferdinand I (Ferrante) of Naples to Pope Calixtus (July 1, 1458).
- Letter of Antonio Strozzi to Lodovico Gonzaga, Marquis of Mantua (July 14, 1458) [Pastor, Ungedruckte Alten, no. 54]
- Letter of Antonio da Pistoia to Francesco Sforza, Duke of Milan (July 15, 1458) [Pastor, Ungedruckte Alten, no. 55]
- Letter of Giovanni de Caymis and Otto de Carretto to Francesco Sforza, on the Neapolitan succession (July 24, 1458) [Pastor, Ungedruckte Alten, no. 56]
- Letter of Otto de Carretto to Francesco Sforza, Duke of Milan (July 26, 1458) [Pastor, Ungedruckte Alten, no. 57]
- Letter of Antonio da Pistoia to Francesco Sforza (Rome, July 31, 1458) [Pastor, Ungedruckte Alten, no. 58]
- Brief of Calixtus III, naming Pedro Luis de Borja, his nephew, Duke of Beneventum and Count of Terracina.
- Letter of Antonio da Pistoia to Francesco Sforza (Rome, August 2, 1458) [Pastor, Ungedruckte Alten, no. 60]
- Letter of Otto de Caretto to Francesco Sforza, Duke of Milan (August 5, 1458) [Pastor, History of the Popes, 3rd edition, II, no. 53, pp. 561-563]
- Letter of Antonio da Pistoia to Francesco Sforza (Rome, August 6, 1458) [Pastor, Ungedruckte Alten, no. 61]
- Letter of Otto de Carretto to Francesco Sforza. Death of Cardinal Capranica (Rome, August 14, 1458) [Pastor, History of the Popes, 3rd edition, III, no. 1, pp. 377-378]
- Electoral Capitulations, drawn up by the Cardinals in Conclave (August 17, 1458) [Baronius-Theiner 29, pp. 160-161].
- Letter of Otto de Caretto to Francesco Sforza, Duke of Milan (August 20, 1458) [Pastor, Ungedruckte Alten, no. 65]
- Letter of Antonio da Pistoia to Francesco Sforza (August 21, 1458) [Pastor, History of the Popes, 3rd edition, III, no. 3, pp. 379]
- "Jean Gobelin" [Aeneas Silvius Piccolomini], Commentarii [Baronius-Theiner 29, pp. 158-159, nos. 1-3]
- Sigismundus Titius, Historia Senensium [J. Cugnoni (editor), Aeneae Silvii Piccolomini Senensis... Opera inedita , pp. 29-30]
