Konklaf 1378Catatan
- ↑
"Pope Urban VI" in the 1913 Catholic Encyclopedia.
- ↑ Miller, William. 1902. Mediaeval Rome, from Hildebrand to Clement VIII, 1073-1600. G. P. Putnam's sons. p. 150.
Referensi
- Baumgartner, Frederic J. 2005. Behind Locked Doors. Macmillan. ISBN 0-312-29463-8.
- Blumenfeld-Kosinski, Renate . 2006. Poets, Saints, and Visionaries of the Great Schism, 1378-1417. Penn State Press. ISBN 0-271-02749-5.