Calendar of Entries in the Papal Registers Relating To Great Britain And Ireland. Papal Letters, Volume 1, 1198 - 1304
Calendar of Entries in the Papal Registers Relating To Great Britain And Ireland. Papal Letters (1893). Editors: v. 1-5, W. H. Bliss (with C. Johnson, v. 3, J. A. Twemlow, v. 4-5)--v. 6- J. A. Twemlow

Vols. 13- issued in cooperation with the Irish Manuscripts Commission

Calendar of Entries in the Papal Registers Relating To Great Britain And Ireland. Papal Letters, Volume 1, 1198 - 1304.