Investigation of the Pearl Harbor Attack. Report of the Joint Committee on the Investigation of the Pearl Harbor Attack, Congress of the United States, Pursuant of S. Con. Res. 27, 79th Congress, A Concurrent Resolution to Investigate the Attack on Pearl Harbor on December 7, 1941, and Events and Circumstances Relating Thereto, and Additional Views of Mr. Keefe, Together with Minority Views of Mr. Ferguson and Mr. Brewster. Washington: GPO, 1946, MANUSCRIPT M00064 Series 4 Sub-Series 56 Sub-Subseries 2, Box: 91; Folder: 1. Hawaii War Records Depository, MANUSCRIPT-M00064. University of Hawaii at Manoa Libraries. https://archivesspace.library.manoa.hawaii.edu//repositories/4/archival_objects/31198 Accessed April 20, 2025.