# Decretals of Gregory IX

> Canon law codification

**Wikidata**: [Q749168](https://www.wikidata.org/wiki/Q749168)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Decretals_of_Gregory_IX)  
**Source**: https://4ort.xyz/entity/decretals-of-gregory-ix


## References

1. Virtual International Authority File
2. Freebase Data Dumps. 2013
3. National Library of Israel Names and Subjects Authority File