RT Article T1 "Ordinavi armatam sancte unionis": Clement VI's sermon on the Dauphin Humbert II of Viennois's leadership of the Christian armada against the Turks, 1345 JF Crusades VO 15 SP 157 OP 175 A1 Georgiou, Constantinos LA English LA Latin PB Routledge, Taylor & Francis Group YR 2016 UL https://ixtheo.de/Record/1638637296