U.S. National Archives (Record Group 104, Entry 215, Press Copies of Letters to the Branch Mints, 1836-1871) Pubblico Deposited
Letters to the Branch Mints, 1836-1871.
The National Archives catalog entry is https://catalog.archives.gov/id/7064806. See also the National Archives & Records Administration numismatic finding aids at https://nnp.wustl.edu/library/archivedetail/538870.
Newman Portal acknowledges Roger W. Burdette for sharing documents in this NARA entry.
Years covered: 1835-1840 (vol. 1), 1841-1844 (vol. 2), 1845-1850 (vol. 3), 1851-1854 (vol. 4), 1853-1854 (vol. 5).