↑ S. Blondal, The Varangians of Byzantium, 164 ↑ J. Phillips, The Fourth Crusade and the Sack of Constantinople, 159 1 2 J. Phillips, The Fourth Crusade and the Sack of Constantinople, 269 ↑ J. Phillips, The Fourth Crusade and the Sack of Constantinople, 106 ↑ Jacobi, David (1999), "The Latin empire of Constantinople and the Frankish states in Greece", in Abulafia, David, The New Cambridge Medieval History, Volume V: c.