A list dated dated end December 1912 mentioned the German ocean going fishing vessel Margaretha with as homeport Blankenesse, Germany, pennant SB 8 and call sign RTDG.
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).
