RT Book, Whole DB /z-wcorg/ DS http://worldcat.org ID 050727051 LA Latin. T1 [Decretum Gratiani A1 Gratian,, Pius, Zelada,, Petrus,, Joannes,, Bartolomeo,, Biblioteca apostolica vaticana., PP Bologna YR 1285 AB Decretum Gratiani with the Ordinary Gloss. See printed catalogue for full description.