Collectio XVII librorum analysis

The Collection in 17 books (Collectio XVII librorum), as the conventional but slightly misguided title is, is a Burchard-derivative collection compiled probably in Aquitaine, perhaps at Saint-Hilaire le Grand at Poitiers, a house of canons to which two mediaeval copies of the collection are linked. Th The collection essentially is a reworked form of Burchard’s Liber decretorum, of which a Milanese version was used. Many of Burchard’s canons were abbreviated, simplified, or omitted; a smaller number of texts were added from other sources. The Burchard version used for 17L must have come from Italy, as the synodal ordo clearly shows.367 17L is also linked in a slightly complicated way to the Milan version of Burchard. While 17L does not have all gaps typical of the deteriores,368 it contains materials which are typically found with the Milan version of Burchard. They may have been part of the Burchard model, or only combined with the Burchard material in the making of 17L. Fowler-Magerl, pointing out at the use of the Milanese Ambrosiana II and the independent circulation of the materials used to augment the Italian Burchard versions, assumed that 17L took the canons in question from a version of the Ambrosiana II. HI01.021.01 = BU01.021a HI01.022 = BU01.023A