Papers of the American journalist, editor, war correspondent. Correspondence, incoming and outgoing (1926-1963); typescript manuscripts for articles, books, interviews, press copy, radio scripts, and speeches; notebooks (1935-1950); photographs (1910-1963); scrapbooks; and printed material. Notable correspondents include James Agee, Claude Auchinleck, Hanson Baldwin, Omar Bradley, James F. Byrnes, Mark W. Clark, James Forrestal, Ford C. Frick, Martha Gellhorn, Raymond Henle, John F. Kennedy, Henry Luce, Joseph W. Martin, Mary Margaret McBride, William C. Menninger, Carl Mydans, Richard L. Neuberger, Chester W. Nimitz, Roger Pineau, Arthur W. Radford, Sam Rayburn, Haru M. Reischauer, James Roosevelt, Arthur M. Schlesinger, Eric Sevareid, David M. Shoup, Holland M. Smith, Time, Inc., Harry S. Truman, Frank W. Wead, and Walter Winchell.

Papers of the American military officer. Powers was Assistant Chief of Operations, U.S. Strategic Air Forces, 1945; Assistant Task Force Commander for Air Operation Crossroads, Bikini Atoll, 1946; Vice-Commander of the Strategic Air Command, 1948-1954; Commander of the Air Research and Development Command, 1954-1957; and Commander-in-Chief of the Strategic Air Command, 1957-1964. Collection includes communications and writings (1945-1970), correspondence (1945-1970), memorabilia (1934-1970), and organizational records (1928-1969), mostly pertaining to the American Security Council. Notable correspondents include William F. Buckley, Lucius D. Clay, Carl T. Curtis, Donald W. Douglas, Ira Eaker, Joe Foss, Arthur Godfrey, Barry Goldwater, Roman L. Hruska, William R. Kintner, Curtis LeMay, Lyman L. Lemnitzer, Robert S. McNamara, Richard M. Nixon, Ronald Reagan, Francis Spellman, Lawrence Spivak, Stuart Symington, Lowell Thomas, Harry S. Truman, Nathan Twining, DeWitt Wallace, and Thomas D. White, among others.