Santolaria de Puey y Cruells, Annuario Diocesano 2017, pp. 129-133. The Canon Theologicus also serves as Censor librorum (Censor of books and other printed matter) for the diocese (p. 76).
The diocesan Annual lists each parish, its administrator, and contact information. Annuario Diocesano 2013. Arcidiocesi di Ferrara-Comacchio (in Italian). Ferrara: Archidiocesis Ferrariensis. 2013. pp. 42–80. The 2017 edition gives historical data on each church.
Uguccione, a native of Pisa, had been a professor of law at Bologna, where he had been the teacher of Pope Innocent III. Around 1188, he produced his Summa decretorum. He executed a document as Bishop dated 24 August 1192. He died on 29 March 1208. Ughelli, p. 540 (producing two bishops named Ugo by interposing a Theobaldus, who was actually a predecessor). Barotti, pp. 30-35. Wolfgang P. Müller, "Huguccio of Pisa: Canonist, Bishop, and Grammarian?" Viator 22 (1991) 121-152. Richard K. Emmerson (2013). Key Figures in Medieval Europe: An Encyclopedia. Taylor & Francis. pp. 636–637. ISBN978-1-136-77518-5.
Fontana was appointed Coadjutor bishop for Bishop Paolo Leoni, who had become senile, on 11 September 1579. Leoni died on 7 August 1590 (or in 1597, according to Eubel). Fontana held diocesan synods in 1590, 1592, 1593, 1594, 1595, 1596, 1597, and 1599. Fontana died on 5 July 1611. Barotti, pp. 119-121. Eubel, III, p. 197 with note 9; Gauchat, IV, p. 186. Lorenzo Paliotto (2002). Giovanni Fontana vescovo di Ferrara (1590-1611) (in Italian). Ferrara: Cartografica. ISBN978-88-88630-00-7.
On 13 January 1843, Cardinal della Genga resigned the diocese of Ferrara, to become Papal Legate in Urbino and Pisa. He was one of the three cardinals who attempted to govern Rome during the Second Roman Republic of 1849–1851, and the exile of Pope Pius IX. In 1852, on the return of the pope, he took up the post of Prefect of the Congregation of Bishops and Regulars in the Papal Curia. Brevi memorie del cardinale Gabriele Della Genga (in Italian). Civita Castellana: pei tipi di Pietro Del Frate. 1861.
F. Gregorovius, History of Rome in the Middle Ages, Volume IV.2 second edition, revised (London: George Bell, 1896) Book VIII, Chapter vi. 3, pp. 608-622. John Paul Adams, Sede vacante 1187; retrieved: 2018-07-28.
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J. D. Mansi (ed.), Sacrorum Conciliorum nova et amplissima collectio, editio novissima, Tomus XXV (Venice: A. Zatta 1782), pp. 598-606.
Acta Sanctorum MaiiTomus II (Antwerp: Michael Cnobarus 1680), pp. 154-161. Ughelli, p. 518, assigns a date of 634. Cappelletti, p. 25, and Gams, p. 694, give the date of 686 for the beginning of his episcopate.
J. D. Mansi (ed.), Sacrorum Conciliorum nova et amplissima collectio, editio novissima, Tomus XXV (Venice: A. Zatta 1782), pp. 901-934.
Bishop Rolandus was present at the Council of Pavia in 1046. J. D. Mansi (ed.), Sacrorum Conciliorum nova et amplissima collectio, editio novissima, Tomus XIX (Venice: A. Zatta 1774), p. 618.
Cardinal Pierre d'Estaing was Papal Legate in Italy, residing in Bologna, from July 1371 until March 1374. On 13 October 1371 he was assigned the administration of the diocese of Ferrara. He was named Bishop of Ostia on 28 September 1373. He returned to Avignon in 1374, and negotiated a peace between the Church and Florence in August 1376. He died in Rome in November 1377. Pierre Jugie, "Estaing, Pierre d',"Dizionario Biografico degli Italiani Volume 43 (1993).
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Acta Apostolicae SedisVol. LXIX (Città del Vaticano: Typis Polyglottis Vaticanis 1977), pp. 157-158: Ferrariensem Ecclesiam, quin aliquid immutetur de archiepiscopali dignitate, Metropolitanae Ecclesiae Bononiensi adnectit.
Acta Apostolicae SedisVol. LXXIX (Città del Vaticano: Typis Polyglottis Vaticanis 1987), pp. 707-710.