Rothwell, Camden Society vol 89, 1957 Foedera, Conventiones, Litterae ed. T, Rymer, 1816. Fordun, John of, Chronicles, ed. W. F. Skene, 1871-2 Gray, Sir Thomas, Scalicronica, ed. H. Maxwell, 1913. Lanercost Chronicle, ed. H. Maxwell, 1913. Palgrave, F. ed. Documents and Records Illustrating the History of Scotland, 1837. Pluscarden, the Book of, ed. F. J. H. Skene, 1877–80. Wynyoun, Andrew, Orygynale Cronykil of Scotland, ed. D. Laing, 1872–9. Secondary works Barrow, G., Robert Bruce and the Community of the Realm of Scotland, 1976. Barron, E. M., The Scottish War of Independence, 1934. Young, A., Robert the Bruce's Rivals:the Comyns, 1212-1314, 1997. See also Earl of Buchan 1308 deaths John Comyn, Earl of Buchan Earls or mormaers of Buchan People of the Wars of Scottish Independence Year of birth unknown 13th-century mormaers 14th-century Scottish earls Year of birth uncertain