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Books about Fimmen:
The International Transportworker's Federation 1914-1945: The Edo Fimmen Era by Bob Reinalda (Jan 1, 1997)
Wiki information Fimmen:
Eduard Carl Fimmen, also known as Edo Fimmen, was a Dutch trade unionist.
Kurt Fimmen was a German Schnellboot commander in World War II and recipient of the Knight's Cross of the Iron Cross. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.