Pittman Act, April 23, 1918. https://fraser.stlouisfed.org/title/5875, accessed on July 16, 2020.
- An Act to Conserve the Gold Supply of the United States; to Permit the Settlement in Silver of Trade Balances Adverse to the United States; to Provide Silver for Subsidiary Coinage and for Commercial Use; to Assist Foreign Governments at War with the Enemies of the United States; and for the Above Purpose to Stabilize the Price and Encourage the Production of Silver
- Public Law 65-139, 65th Congress, S. 4292
40 Stat. 535
Law Library of Congress