Morrill, J. S. (1884). The existing tariff on imports into the United States, etc., and the free list, together with comparative tables of present and past tariffs, and other statistics relating thereto. Washington: Govt. Print. Off..

Morrill, Justin Smith. The Existing Tariff On Imports Into the United States, Etc., and the Free List, Together With Comparative Tables of Present and Past Tariffs, and Other Statistics Relating Thereto. Washington: Govt. Print. Off., 1884.

Morrill, Justin Smith. The Existing Tariff On Imports Into the United States, Etc., and the Free List, Together With Comparative Tables of Present and Past Tariffs, and Other Statistics Relating Thereto. Washington: Govt. Print. Off., 1884.