RT Article T1 The Power to Enact Invalidating Laws JF The jurist VO 3 SP 231 OP 257 A1 Roelker, Edward G. 1897- LA English PB School of Canon Law, The Catholic University of America YR 1943 UL https://www.ixtheo.de/Record/1650367775 K1 Gesetz K1 Nichtigkeit K1 Gesetzgebung