. . "Report of the Director of the Mint upon the production of the precious metals in the United States" . "Report of the Director of the Mint upon the production of the precious metals in the United States during the calendar year"@en . . "Report of the Director of the Mint upon the statistics of the production of the precious metals in the United States" . . "Report of the director of the Mint upon the production of the precious metals in the United States"@en . "Report of the director of the Mint upon the production of the precious metals in the United States" . . . . . . "Periodicals"@en . . "Report of the Director of the Mint upon the production of the precious metals in the United States : during the calendar year" . . "Production of gold and silver in the United States"@en . . . . . . . . . . .