New Medal of President Johnson made by U.S. Mint, January 2, 1966, Release Number f-323
United States. Department of the Treasury. "New Medal of President Johnson made by U.S. Mint, January 2, 1966, Release Number f-323," in United States. Department of the Treasury. "Volume 152," Press Releases of the United States Department of the Treasury (December 1, 1965 - January 31, 1966) : 386-389. https://fraser.stlouisfed.org/title/6111/item/586995/toc/539902 , accessed on June 22, 2024.