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Londonregisteret:
Registernummer under krigen: London 56375.
Name associated with "Vestvangen", but no details.
Age: 31 år.
Nederlands Instituut voor Militaire Historie, Ministerie van Defensie:
They were not able to find the service record of Olaf Tømmerås in their archives. If he lived in the Netherlands during the war, it’s not likely that he sailed for the Dutch allied Merchant Navy. The Dutch allied Merchant Navy operated from outside the Netherlands and the ships weren’t calling at Dutch ports.
RA/S-2081/F/Fe/Feb/L0027
Nederlands Instituut voor Militaire Historie, Ministerie van Defensie.