Nottelmann, pp. 289–293. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, pp. 291, 300–302. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, pp. 302–303. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, p. 301. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, pp. 303, 320–321. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, pp. 320–321. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.
Nottelmann, p. 317. Nottelmann, Dirk (December 2019). "From Ironclads to Dreadnoughts: The Development of the German Navy, 1864–1918: Part XA, "Lost Ambitions"". Warship International. 56 (4). Toledo: International Naval Research Organization. ISSN0043-0374.