^ abcdRené Bour, Histoire illustrée de Metz, Paul Even, Metz, 1950 (p.125-129).
^Victor Duruy, A Short History of France (J. M. Dent & sons, Ltd. 1918) p.501
^Robert Knecht, The Valois Kings of France 1328-1589 (Bloomsbury Academic, 2007) p.149 ("By the time Charles V lifted the siege, on 2 January 1553, his army had dwindled to a third of its original size.")
Chaunu, Pierre (2000). L'Espagne de Charles Quint. Eds. Fayard.
Gabriel, Richard A. (2013). Between Flesh and Steel: A History of Military Medicine from the Middle Ages. Potomac Publishers.
Parker, Geoffrey (1976). "The "Military Revolution," 1560-1660--a Myth?". The Journal of Modern History. 48 June (2). The Chicago University Press: 196–214. doi:10.1086/241429. S2CID143661971.