Companion to British History. Oxford: Oxford University Press: 389. 2015. ISBN 978-0199677832. DeVries, Kelly. Infantry Warfare in the Early Fourteenth Century:
ISBN 978-2-600-00133-5. (原始内容存档于2022-10-22) (法语). Denys Hay. Europe in the Fourteenth and Fifteenth Centuries. 2016-04-15. ISBN 9781317871903. Demarcq, Gérard