Compilatio prima, Bernardus Papiensis

Iudex, Iudicium, clerus, connubia, crimen 

Private Collections of Rainer of Pomposa, Gilbertus Anglicus, Alanus Anglicus, Bernardus Compostellanus

Pietro added titles to Bernardus's model:

De fide instrumentorum et decretalium =

 3 Comp. 2.13

De feudis  3 Comp. 3.16 = X 3.20

All later canonical collections followed the model of Bernardus and Pietro