North, S. N. D. 1849-1924. The tariff and the export trade of the United States. - [Philadelphia, American Academy of Political and Social Science, 1904] - 11 p. 24 cm. - Annals of the American Academy of Political and Social Science, v. 23, no. 1 . LCCN: cd 17000185 Subjects--Topical Terms: Tariff--United States. Subjects--Geographic Terms: United States--Commerce. LC Class. No.: H1 / .A4 vol. 23, no. 1