^Bradbury, Jim (2004). The Routledge Companion to Medieval Warfare (Hardcover). Routledge. pp. 392. ISBN978-0415221269
^Lacombe, Paul (2004). Arms and Armour in Antiquity and the Middle Ages: Also a Descriptive Notice of Modern Weapons.). University of Michigan Library. pp. 324. ISBN978-0217175470
^Riley, Henry Thomas(1868)Memorials of London and London Life, in The XIIIth, XIVth and XVth Centuries. Being a Series of Extracts Local, Social, and Political, from the Early Archives of the City of London A.D.1276 -1419,London, Longmans, Green and Co.