Outlines of American political economy : in a series of letters addressed by Frederick List, Esq. late professor of political economy at the University of Tubingen in Germany, to Charles J. Ingersoll, Esq. Vice-president of the Pennsylvania Society for the promotion of manufactures and the mechanic arts : to which is added the celebrated letters of Mr. Jefferson to Benjamin Austin, and of Mr. Madison to the editors of the Lynchburg Virginian.