Positive reconstruction · reader-scoped, not an inferred-absence lacuna
This reconstruction covers the readable fraction of Thomas Aquinas's formation -- attested reading and writing only, not the whole of a life.
Thomas Aquinas and Decretales Gregorii IX (Liber Extra)
Thomas Aquinas's attested relationship to Decretales Gregorii IX (Liber Extra).
Thomas Aquinas is attested as having read this work by Gregory IX.
Evidence ledger
- Citation-derived from Aquinas's own ingested Latin text (pattern=aquinas-citation-24611-695-729): explicit decretal citation 'extrav. De voto et voti redemptione, cap. Per tuas' (the Grenoble-bishop case); canon law read directly