Collectio CCXXXIII capitulorum
Selected Canon Law Collections, ca. 500–1234
The most recent canon is from a Roman synod of February 964.
The only known copy is Wolfenbüttel, Herzog-August-Bibliothek, Cod. Guelf. 454 Helmst. from Halberstadt.
See https://www.geschichtsquellen.de/werk/4862 for bibliography.