RT Article T1 Gratian and the Decretum Gratiani JF The history of medieval canon law in the classical period, 1140 - 1234 SP 22 OP 54 A1 Landau, Peter 1935-2019 LA English YR 2008 UL https://ixtheo.de/Record/1697712975 SN 9780813214917 K1 Gratianus : de Clusio : -1158 K1 Recht K1 Geschichte K1 Römisches Recht K1 Rezeption