RT Article T1 English Secular Magnates in the Decretal Collections JF Decretals and the creation of "new law" in the twelfth century SP 593 OP 616 A1 Duggan, Charles 1921-1999 LA English PB Ashgate Variorum YR 1998 UL https://ixtheo.de/Record/1589217349 SN 0860786803