Harry S. Truman Papers
Letter from Harry S. Truman to M.S. Szymczak regarding Szymczak's resignation.
Harry S. Truman Library and Museum, Independence, MO
Szymczak, Matthew S. and Truman, Harry S., 1884-1972, June 15, 1951, Letter from Harry S. Truman to M.S. Szymczak regarding Szymczak's resignation., from Harry S. Truman Papers, accessed Dec 10, 2013 from FRASER, http://fraser.stlouisfed.org/truman/record.php?id=17420