Sjöström, Oskar. 2009. “William Urban, Bayonets for Hire: Mercenaries at War, 1550–1789 (London: Greenhill Books, 2007). 304 s”. 1700-tal: Nordic Journal for Eighteenth-Century Studies 6 (October). Tromsø, Norway:170-71. https://doi.org/10.7557/4.2802.