Bernold of Constance, p. 483; Анна Комнина. С. 235–237.
67
F. Sisic (ed.), Letopis Popa Dukljanina (Belgrade, 1928), pp. 413–16; P. Frankopan, 'Co-operation between Constantinople and Rome before the First Crusade: A study of the convergence of interests in Croatia in the late 11th Century', Crusades 3 (2004), pp. 1–13.
