Tariff history of the United States /

Eitemau Tebyg

• Wool-growing and the tariff: study in the economic history of the United States /
  gan: Wright, Chester Whitney
  Cyhoeddwyd: (1968)
• Tariff Problem /
  gan: Ashley, W. J.
• Modern tariff history /
  gan: Ashley, Percy
  Cyhoeddwyd: (1910)
• Tariffs and industry /
  gan: Matthai, John
  Cyhoeddwyd: (1945)
• Customs and tariffs With special reference to the Maritine states of South India /
  gan: Thanu Pillai, K.
  Cyhoeddwyd: (1935)