RT Article T1 Gratian's Causa VII and the Multiple Recension Theories JF Bulletin of medieval canon law VO 24 SP 78 OP 96 A1 Sommar, Mary E. 1953- LA English PB The Catholic University of America Press for the Stephan Kuttner Institute of Medieval Canon Law YR 2000 UL https://www.ixtheo.de/Record/1650368909 K1 Gratianus : de Clusio : -1158 : Decretum K1 Rechtsquellengeschichte, kirchliche