The New Cambridge Modern History: Material progress and world-wide problems, 1870-1898. University Press. pp. 204–242. ↑ Mulligan (2014), pp. 643–649. ↑ Ferguson (1999), p. 82. ↑ Mulligan (2014), pp. 646–647. ↑ Ross, Angus (April 2010). "HMS Dreadnought (1906) — A Naval Revolution Misinterpreted or Mishandled?"