RT Article T1 Contextualizing the Council of Tours (567) JF Proceedings of the Fourteenth International Congress of Medieval Canon Law SP 289 OP 302 A1 Halfond, Gregory I. LA English PB Biblioteca Apostolica Vaticana YR 2016 UL https://ixtheo.de/Record/1837153671 SN 9788821009655 SN 8821009653