The Decretum Gratiani, also known as the Concordia discordantium canonum or Concordantia discordantium canonum or simply as the Decretum, is a collection of Catholic canon law compiled and written in
Page from a medieval manuscript of the Decretum Gratiani.
Thirteenth-century modest copy of the famous manuscript Decretum Gratiani. Preserved in the Ghent University Library in Ghent, Belgium.
The Corpus Juris Civilis is the modern name for a collection of fundamental works in jurisprudence, enacted from 529 to 534 by order of Roman Emperor Justinian I. It is also sometimes referred to meto
Decretum Gratiani
…Since the 11th century, some cities of central-northern Italy such as Arezzo, Pisa, Bologna had been the centre of the study of Roman law, after the Corpus Juris Civilis was rediscovered in western Europe. In the second half of the 11th century and at the beginning of the 12th century Roman law was generally studied and…
Corpus Iuris Civilis, 1583
Justinian I depicted on a mosaic in the church of San Vitale, Ravenna, Italy
13th-century manuscript of the Codex with the glossa ordinaria on the margins.
Digest excerpt (D. 6.1) from the 6th-century Littera Florentina.