Dennis, G. T., ‘Defenders of the Christian People – Holy War in Byzantium’ in Laiou, A. E. (ed.), The Crusades from the Perspective of Byzantium and the Muslim World (Washington, DC – 2001), 31–3. См., напр.: Sewter, E. R. A. (trans.) and Frankopan, P. (rev.), Anna Komnene – The Alexiad (London: 2009), 39, 279.