Press Copies of Letters from the Superintendent to Treasury Department, 1915-1918.
U.S. National Archives (Record Group 104 [Denver], Sequence 34, Press Copies of Letters from the Superintendent) to the Treasury Dept. 1915-1918 (1915)
Denver Mint correspondence scanned at the National Archives (NARA) in Denver - covering the period 1915-1918. NARA identifier is record group 104, 8KRA-104-84-034. Courtesy of John Graffeo.