Trade centers and trade routes Van Cleef, Eugene 1887- creator text bibliography nyu New York London D. Appleton-Century company, incorporated c1937 1937 monographic eng
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xvi, 307 p. : illus. (incl. maps, plans) plates, diagrs. ; 23 cm. by Eugene Van Cleef ... Includes index. Commerce Trade routes Commercial geography 38752 VAT 1937 DLC 14 20211208234150.0 5982 eng