World trade / Ethel B. Dietrich. Dietrich, Ethel Barbara, 1891- Commercial policy. Commerce. HF1401 .D5 382 DIW Map on lining-papers. "The Reciprocal trade agreements act (1934)": p. 397-401; "Agreement for the development of commercial exchange (1937)": p. 402-407; "Reciprocal trade agreement between the United States and the United kingdom (1938)": p. 408-441; "Statistics regarding the reciprocal trade agreements": p. 442-444. Bibliography at end of each chapter. New York : H. Holt, c1939. c1939. 1939 Text vi, 458 p. : eng