Bartosiewicz R. A Selection of Source Opinions about the Relations between Crusaders and Byzantium during the First and Second Crusade. In: Grancow P, Chyliński P, Kanas R, Ludwiczak K, Maras K, eds. Vade Nobiscum, Tom XXIV 2024: Studia Nad Bliskim Wschodem. Vade Nobiscum. Lodz University Press; 2024:59-73. doi:10.18778/8331-610-9.05