Muir, Malcolm (October 1990). ”Rearming in a Vacuum: United States Navy Intelligence and the Japanese Capital Ship Threat, 1936–1945”. The Journal of Military History (Society for Military History) 54 (4): sid. 485. doi:10.2307/1986067. ISSN1543-7795. OCLC37032245.
Muir, Malcolm (October 1990). ”Rearming in a Vacuum: United States Navy Intelligence and the Japanese Capital Ship Threat, 1936–1945”. The Journal of Military History (Society for Military History) 54 (4): sid. 485. doi:10.2307/1986067. ISSN1543-7795. OCLC37032245.