The Indefatigable-class ships displaced 22,100 tons at full load, compared to 25,400 tons for Moltke. The Indefatigable-class ships had an armored belt between 4–6 in (102–152.4 mm), while Moltke's belt was 3–11 in (76.2–280 mm) thick. See: Campbell & Sieche, pp. 26, 152. Campbell, N. J. M. & Sieche, Erwin (1986). "Germany". In Gardiner, Robert & Gray, Randal (eds.). Conway's All the World's Fighting Ships 1906–1921. London: Conway Maritime Press. pp. 134–189. ISBN978-0-85177-245-5.
