United States. Congress. House and United States. Congress. Senate. "Silver Coinage: A Full and Sufficient Volume of Money in Circulation, Consisting of Gold, Silver, and Legal-tender Paper Currency, at Par with Each Other, and Interconvertible : Speech of Hon. D. W. Voorhees of Indiana, Debate in the Senate" in The Money Question of the 52nd Congress (February 29, 1892). https://fraser.stlouisfed.org/title/308/item/6180, accessed on September 11, 2024.