https://www.vatican.va/news_services/press/sinodo/documents/bollettino_25_xiii-ordinaria-2012/04_spagnolo/b14_04.html
Boletín Synodus Episcoporum - Edición española
synodusepiscoporum
https://www.vatican.va/news_services/press/sinodo/documents/bollettino_25_xiii-ordinaria-2012/01_italiano/b00_sommario_01.html
Sommario - Bollettino Synodus Episcoporum - Edizione italiana
sommariobollettinosynodusepiscoporumedizione
https://catalog.folger.edu/record/233620
Synodus Gangrensis :
Quintin, Jean,; Wechel, Andreas,
synodus