United States. Congress. House and United States. Congress. Senate. "Free Coinage of Silver -- Ratio 16 to 1 : Speech of Hon. J. T. Heard of Missouri, Debate in the House of Representatives, v.5, H-Z" in The Money Question of the 53rd Congress (August 24, 1893). https://fraser.stlouisfed.org/title/289/item/6079, accessed on September 11, 2024.