Registrum epistolarum fratris Johannis Peckham, Archiepiscopi Cantuariensis

The register of Archbishop John Peckham of Canterbury (c.1230-92) is an important source for thirteenth-century history. Published in three volumes between 1882 and 1885, it contains much information on the conquest of Wales by Edward I and on the history of Oxford University, as well as purely ecclesiastical matters.