Fifth semiannual report on educational exchange activities. Letter from the Chairman, United States Advisory Commission on Educational Exchange, transmitting the fifth semiannual report of the United States Advisory Commission on Educational Exchange for the period July 1, 1950, through December 31, 1950, pursuant to section 603 of Public Law 402, Eightieth Congress. April 6, 1951. -- Referred to the Committee on Foreign Affairs and ordered to be printed