Assistant Secretary Wallace before the Metropolitan New York Numismatic Convention, Park-Sheraton Hotel, New York City (RECENT DEVELOPMENTS IN SILVER, COINS AND MEDALS), May 4, 1968, Release Number f-1234
Wallace, Robert Ash, 1921-2001. "Assistant Secretary Wallace before the Metropolitan New York Numismatic Convention, Park-Sheraton Hotel, New York City (RECENT DEVELOPMENTS IN SILVER, COINS AND MEDALS), May 4, 1968, Release Number f-1234," in United States. Department of the Treasury. "Volume 161," Press Releases of the United States Department of the Treasury (March 4, 1968 - June 3, 1968) : 355-366. https://fraser.stlouisfed.org/title/6111/item/587004/toc/541038 , accessed on June 24, 2024.