Record Group 104, Records of the New Orleans LA Branch Mint and Assay Office, 1840-1942. Fair Copies of Letters Sent by Superintendant and Chief Clerk, July 5, 1878 to April 23, 1879. National Archives catalog ID 2579527, https://catalog.archives.gov/id/2579527.
Courtesy of Roger W. Burdette.
P. 223, 2/27/1879 is a letter of transmittal for the first Morgan dollar issued by the New Orleans Mint, from Acting Superintendent Tracy to Mrs. C. J. Nicholson.
Record Group 104, Records of the New Orleans, LA Branch Mint and Assay Office, 1840-1942. Record of Deposits of Silver Bullions for Bars. Circa 1916-1928. National Archives ID 2579521, https://catalog.ar.chives.gov/id/2579521.
Record Group 104, Records of the New Orleans LA Branch Mint and Assay Office, 1840-1942. Record of Department Letters Received, Oct. 2, 1897-May 31, 1911. National Archives ID 2579588, https://catalog.archives.gov/id/2579588.
Note: this is an index to letters received, not actual letter contents.
Senate Report Com. No. 185. Franklin Peale's statement regarding his accomplishments while an employee of the United States Mint. From the 34th Congress, 1st Session.