The biennial report from the U.S. Mint on production costs and cost saving solutions. Included here is the Concurrent Technologies Corporation report "Alternative Metals Study."
U.S. National Archives & Records Administration (NARA), record group 104 (U.S. Mint), entry 45 (contingent expenses, 1821-1841). Scanned under the direction of Robert W. Julian, operating via a grant from the Central States Numismatic Society.
U.S. National Archives & Records Administration (NARA), record group 104 (U.S. Mint), entry 42 (copper account book, deliveries of bullion to the chief coiner and coins received in return, 1796–1839). Scanned under the direction of Robert W. Julian, operating under a grant from the Central States Numismatic Society.
U.S. National Archives & Record Administration (NARA) record group 104 (U.S. Mint), entry 24B (Slidell investigation at New Orleans, 1839). Scanned under the direction of Robert W. Julian, operating via a grant from the Central States Numismatic Society.
