Gregory VII, Register, II.3, p. 95 См.: H. Cowdrey, 'Pope Gregory VII's "Crusading" plans of 1074', in B. Kedar, H. Mayer and R. Smail (eds.), Outremer: Studies in the history of the Crusading kingdom of Jeruslalem (Jerusalem, 1982), pp. 27–40, and Becker, Papst Urban II, 2, pp. 294–300.
