Libray of Congress Call Number: LC-B2- 3871-4. original url
Note
1. Of the Kaiser-class, consisting of the Kaiser, Friedrich der Grossem Kaiserin, Prinzregent Luitpold and König Albert, preceded by Helgoland-class, succeeded by König-class, laid down by Kaiserliche Werft, Kiel, Germany as Ersatz Hildebrand in December 1909, launched on 22 March 1911, commissioned in 1 August 1912, scuttled at Scapa Flow, Scotland on 21 June 1919, salvaged in 1929 and broken up in 1930.