Tham khảo Aki (thiết giáp hạm Nhật)

    • Brown, D. K. (1999). Warrior to Dreadnought, Warship Development 1860-1906. Naval Institute Press. ISBN 1-84067-529-2.
    • Evans, David (1979). Kaigun: Strategy, Tactics, and Technology in the Imperial Japanese Navy, 1887-1941. US Naval Institute Press. ISBN 0870211927.
    • Howarth, Stephen (1983). The Fighting Ships of the Rising Sun: The Drama of the Imperial Japanese Navy, 1895-1945. Atheneum. ISBN 0689114028.
    • Jentsura, Hansgeorg (1976). Warships of the Imperial Japanese Navy, 1869-1945. Naval Institute Press. ISBN 087021893X.
    • Schencking, J. Charles (2005). Making Waves: Politics, Propaganda, And The Emergence Of The Imperial Japanese Navy, 1868-1922. Stanford University Press. ISBN 0804749779.