The hearing before the Committee on Ways and Means, U.S. House of Representatives, One Hundred Eleventh Congress, first session, November 17, 2009 United States Congress. House. Committee on Ways and Means. creator text dcu Washington U.S. G.P.O. For sale by the Supt. of Docs., U.S. G.P.O. 2012 monographic eng iv, 357 p. ill. 24 cm. Shipping list no.: 2012-0399-P. "Serial no. 111-36." Includes bibliographical references. Tariff preferences United States International trade Foreign trade promotion United States Duty-free importation United States Free trade Developing countries United States Foreign economic relations Y 4.W 36:111-36 Y 4.W 36:111-36 PUCPR 120801 20160527190245.0 310212