Jean Le Bel Chronique de Jean Le Bel ed. Jules Viard & Eugene Deprez, Paris, 1904
Gran Cronica De Alfonso XI, ed. Diego Catalán, Madrid 1977
John Barbour, The Bruce, ed. A.A.M. Duncan, Edinburgh 1997
Hume of Godscroft, David, The History of the House of Douglas and Angus. London 1820
Maxwell, Sir Herbert, History of the House of Douglas II Vols. London 1902
Balfour Paul, Sir James, The Scots Peerage IX Vols. Edinburgh 1906
Blanca Krauel Heredia, Sir James Douglas' Death in Spain, 1330, Scottish Historical Review, 69, 1990 April. pp 84–90
Brown, Michael, The Black Douglases-War and Lordship in Late Medieval Scotland. East Linton 1998
Sonja Cameron, Sir James Douglas, Spain and the Holy Land in 'Freedom and Authority- Scotland 1050–1650.' ed. Brotherstone & Ditchwell, Edinburgh 2000.