Collectio Turonensis
From Clavis Canonum
A collection of materials (includings papal letters) relating to Ephesus 431 extant in Paris, BnF, lat. 1572. Maassen, Geschichte p. 722 pointed to similarity with the Collectio canonum in Verona, BC, LVII (55) and Collectio Salisburgensis in Wien, ÖNB, Cod. 489.
The collection has been transcribed by Michael Elliot http://individual.utoronto.ca/michaelelliot/