Reviews of world situation, 1949-50, hearings held in executive session, 81st Congress, 1st and 2d sessions, by Dean G. Acheson, Charles E. Bohlen, Omar Bradley, W. Walton Butterworth, J. Lawton Collins, Paul G. Hoffman, Philip C. Jessup, Louis Johnson, William McChesney Martin, John J. McCloy, Livingston Merchant, Frank Pace, Dean Rusk, John W. Snyder, and others, May 19, 1949-Dec. 22, 1950.