Files W.F.F. Archive Pearl Harbor Research Records Pearl Harbor Related Research Including the Historian, A Journal of History (Spring 1955) Which Includes the Article by Robert H. Ferrell on Pearl Harbor and the Revisionists; Pearl Harbor In Perspective Reviewed by Louis Morton (April 1955); Certain Aspects of "Magic" In the Cryptological Background of the Various Official Investigations Into the Attack on Pearl Harbor by William Friedman, 1955-1957