A list dated end December 1912 mentioned the German ocean going steam fishing vessel Sonderburg with as homeport Altona, Germany, pennant SD 44and call sign LGTP.
Source
Archive Ministerie van Buitenlandse Zaken A-dossiers inventory number 235 (National Archive, The Hague, Netherlands).
Source
Archive Ministerie van Buitenlandse Zaken A-dossiers inventory number 235 (National Archive, The Hague, Netherlands).
