The Navigable Rhine; the Development of Its Shipping, the Basis of the Prosperity of Its Commerce and Its Traffic in 1907, by Edwin J. Clapp...Edwin Clapp1911EN
Economic Aspects of the War; Neutral Rights, Belligerent Claims and American Commerce in the Years 1914-1915, by Edwin J. Clapp ...Edwin Clapp1915EN
Economic Aspects of the War.by Edwin J. ClappJohnson · The American Society of International Law1916PDF265 KB
The Port of Hamburgby Edwin J. ClappEmerson · Bulletin of the American Geographical Society1912PDF112 KB
Economic aspects of tee war. By Edwin J. Clapp. Yale University Pressde Roode · National Municipal Review1916PDF178 KB