https://web.archive.org/web/20160304204656/https://www.elwis.de/BfS/bfs_start.php?target=3&source=2&db_id=85256

Keine Beschreibung vorhanden.

Leuchtturm Helgoland

http://baken-net.de/helgoland_lt.htm

baken-net

Süderoogsand Bake

http://www.baken-net.de/suederoogsand-bake.htm

baken-net