Eckfeldt, J. R. (1842). A manual of gold and silver coins of all nations, struck within the past century: Showing their history, and legal basis, and their actual weight, fineness, and value, chiefly from original and recent assays. Published at the Assay Office of the Mint.
Chicago-Zitierstil (17. Ausg.)Eckfeldt, Jacob Reese. A Manual of Gold and Silver Coins of All Nations, Struck Within the Past Century: Showing Their History, and Legal Basis, and Their Actual Weight, Fineness, and Value, Chiefly from Original and Recent Assays. Philadelphia <Pa.>: Published at the Assay Office of the Mint, 1842.
MLA-Zitierstil (9. Ausg.)Eckfeldt, Jacob Reese. A Manual of Gold and Silver Coins of All Nations, Struck Within the Past Century: Showing Their History, and Legal Basis, and Their Actual Weight, Fineness, and Value, Chiefly from Original and Recent Assays. Published at the Assay Office of the Mint, 1842.