II
9. The principle of international trade. (Taussig, Principles of Economics, vol. 1, chapter xxxiv; Fetter, Modern Economic Problems, chapter xiii.)
10. The gain from international trade. (Taussig, Principles of Economics, vol. 1, chapter xxxv.)
11. The infant industries argument as applied to American industries. (Taussig, Tariff History of the United States, Part 1, chapter i.)
12. The Civil War tariff. (Taussig, Tariff History of the United States. Consult also any economic history of the United States, or any standard text on economics.)
13. Tariff administration. (Cyclopedia of American Government.)
14. Political aspects of the tariff. (Tarbell, The Tariff in Our Times, chapter xii.)
15. The history of any important tariff since the Civil War. (Consult Taussig, Tariff History of the United States; Fetter, Modern Economic Problems, chapter xv; any standard work on the economic history of the United States; or any encyclopedia under "Tariff.")
16. The tariff in Germany. (Ashley, Modern Tariff History, part i.)
17. The tariff in France. (Ashley, Modern Tariff History, part iii.)