RT Book T1 Ius decretalium / T. 1 Introductio in ius decretatium JF Ius decretalium ad usum praelectionum in scholis textus canonici sive iuris decretalium A1 Wernz, Franz Xaver 1842-1914 LA Latin PP Romae PB Typogr. Polyglotta YR 1898 UL https://www.ixtheo.de/Record/1076578896