This archive reproduces Decimal File 494 and is based on the microfilm title Records Relating to U.S. Commercial Relations with Japan, for the years 1950-1954, 1955-1959, and 1960-1963. The documents in this collection are predominantly instructions to -- and dispatches from -- diplomatic and consular officials, which are often accompanied by enclosures. Notes between the Department of State and foreign diplomats in the United States; memoranda prepared by State Department officials; and correspondence with officials of other government departments, private businesses, and persons are also included.