U
U.S. Congressional Reports, U.S. Congress
U.S. Department of Commerce
U.S. Department of State
U.S. Department of Treasury
U.S. Department of Treasury
U.S. Gazette
U.S. House of Representatives
U.S. Mint
U.S. Mint (Charlotte)
U.S. Mint (Denver)
U.S. Mint (Philadelphia)
U.S. Mint Bicentennial Ephemera
U.S. Mint Circulars, U.S Mint
U.S. Mint Press Releases
U.S. Mint Reports, Government Printing Office
U.S. Mint [Fixed Price List], U.S. Mint
U.S. National Archives & Records Administration Finding Aids
U.S. National Archives (Coining Die Records)
U.S. National Archives (Microfilm Records)
U.S. National Archives (Record Group 104 [Denver])
U.S. National Archives (Record Group 104 [Denver], Entry 1, Assayers' Registers of Silver Bullion Deposits, 1906-1915)
U.S. National Archives (Record Group 104 [Denver], Entry 10, Ledger of Bullion Deposits, 1863 - 1882)
U.S. National Archives (Record Group 104 [Denver], Entry 11, Journal of Bullion Deposits, 1863 - 1881)
U.S. National Archives (Record Group 104 [Denver], Entry 12, Cashbook , 1878 - 1916)
U.S. National Archives (Record Group 104 [Denver], Entry 13, Register of Petty Expenses, 1863 - 1905)
U.S. National Archives (Record Group 104 [Denver], Entry 14, Journal of Accounts, 1864 - 1869)
U.S. National Archives (Record Group 104 [Denver], Entry 15, Day Book, 1863 - 1904)
U.S. National Archives (Record Group 104 [Denver], Entry 16, Accounting Ledger, 1864 - 1869)
U.S. National Archives (Record Group 104 [Denver], Entry 17, Accounts Current Ledger, 1864 - 1869)
