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The monetary problem : gold and silver ; final report of the Royal Commission appointed to inquire into the recent changes in the relative values of the precious metals, presented to both Houses of Parliament, 1888
Robey, Ralph West, (1936)
American gold and silver in the eighteenth century : from fascination to accounting
García-Baquero González, A., (2003)
The assay of gold and silver wares : an account of the laws relating to the standards and marks, and of the existing assay offices
Ryland, Arthur, (1852)