Collectio IX librorum
From Clavis Canonum
There are three collections known as Collectio IX librorum:
- The Collection in Nine Books in Vat. lat. 1349,
- the Collectio IX librorum in Wolfenbüttel, HAB, Gud. lat. 212 (aka Wolfenbüttel 9L or Collectio Sangermanensis IX voluminorum), and
- the Collection in Nine Books in San Pietro C. 118 (aka San Pietro 9L)