TY - CHAP T1 - Papal Councils in the High Middle Ages T2 - A Companion to the Medieval Papacy PY - 2016/01/01 AU - Summerlin D ED - DO - DOI: 10.1163/9789004315280_010 PB - BRILL SP - 174 EP - 196 Y2 - 2024/12/22 ER -