The northerners a study in the reign of King John - Holt, James Clarke (Clarendon, 1992)
Magna Carta, imposed on King John by his barons in 1215, is widely regarded as the foundation of the British constitution. This study traces the origins of the rebellion which culminated in the events at Runnymede, investigating the causes of the baronial revolt and the northern shires
Includes bibliographical references and index