TY - BOOK AU - Abulafia,David TI - The Two Italies: Economic relations between the Norman Kingdom of Sicily and the northern communes T2 - Cambridge studies in medieval life & thought, Third series SN - 978-0-521-02306-1 U1 - 382.094510458 PY - 1977/// CY - Cambridge PB - Cambridge University Press KW - Italy,Northern - Commerce - Sicily - History N1 - Vol. 9 ER -