Published Sources Daenell, Ernst. “The Policy of the German Hanseatic League Respecting the Mercantile Marine.” The American Historical Review 15 (October 1909): 47-53. Nance, R. Morton. “A Hanseatic Bergentrader of 1489.” The Mariner’s Mirror 3 (June 1913): 161-167. Postan, M.M. “The Economic and Political Relations of England and the Hanse (1400 to 1475).” In Studies in English Trade in the Fifteenth Century, ed. Eileen Power and M.M. Postan, 91-153. New York: Barnes & Noble, Inc., 1966. Unpublished Sources Published Sources (external links) Zimmern, Helen. The Hansa Towns. The Story of the Nations. New York: G.P. Putnam’s Sons, 1889.