Federal Income Tax Explained

The National Loans of the United States, from July 4, 1776, to June 30, 1880

Alexander Hamilton's Report on the Subject of Manufactures

General Public Acts of Congress

Treasury Bulletin

Report on the Internal Commerce of the United States

Statistical Classification of the Occupations of the Population of the United States, According to the Alphabetical Abstract in the Official Report on the Census of the United States for the Year 1860

Statistics of the Foreign and Domestic Commerce of the United States

Comparison Based upon Tariff Bill, H. R. 379

General Public Acts of Congress

Adoption of the Metric System