См. Ottewill-Soulsby, The Emperor and the Elephant. Об отношениях с Иерусалимом см. Michael McCormick, Charlemagne’s Survey of the Holy Land: Wealth, Personnel, and Buildings of a Mediterranean Church Between Antiquity and the Middle Ages (Cambridge, MA: Harvard University Press, 2011); Matthew Gabriele, An Empire of Memory: The Legend of Charlemagne, the Franks, and Jerusalem Before the First Crusade (Oxford, UK: Oxford University Press, 2011).
