RT Article T1 Medieval Canon Law Heritage of the Norbertine Abbey of Weissenau in the Hermitage of St. Pertersburg JF Folia canonica VO 12 SP 119 OP 137 A1 Szuromi, Szabolcs Anzelm 1972- LA English PB Márton Áron Publ. House YR 2009 UL https://www.ixtheo.de/Record/1650519567 K1 Einsiedler K1 Rechtsquellengeschichte, kirchliche