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The Library

Forty Centuries of Christian Writing

1774 works catalogued century by century, from the literature the Bible was written among to the present — each with a note on what it is, why it lasted, and where to read it.

1201–1300

The Thirteenth Century

1 work

1234

Latin

The Decretals of Gregory IX

Liber Extra

Raymond of Peñafort · c. 1175–1275

Papal decisions since Gratian, edited into five books and promulgated as the exclusive law of the church, with all earlier collections declared superseded.

Western · Canon lawRead elsewhere