1649. 2008-06-13T19:26:57Z. 2021-06-02T15:05:18Z. Latin. Public. Helgoland (Germany).
Search Results
1918. 2011-05-11T15:20:05Z. 2017-06-30T16:22:24Z. Great Britain. War Office. General Staff. Geographical Section. War Office. English. Public. Kiel Canal (Germany), Helgoland (Germany), and Schleswig-Holstein (Germany).