TY - BOOK AU - Johnson,Harry G. TI - Aspects of the theory of tariffs SN - 0674049918 AV - HF1713 .J6 1972 U1 - 382.7/01 PY - 1972/// [c1971] CY - Cambridge, Mass. PB - Harvard University Press KW - Tariff KW - Local N1 - 920722; Includes bibliographical references ER -