"Originally compiled by Cathal MacGuire... After the death of MacMaghnusa [i.e. MacGuire] the annals were continued by Ruaidhridhe O'Caisidé, or Rory O'Cassidy, down to the year 1537, or 1541." - O' Curry, ms. materials of ancient Irish hist Includes bibliographical references v. 1. From A.D. 431, to A.D. 1540.--v. 2. A.D. 1057-1131; 1155-1378.--v. 3. A.D. 431-131; 1379-1541.--v. 4. Introduction and index 31