On 19 December 1938 over 200 German male refugees over 18 were transferred from Amsterdam to the Norg prison camp at Veenhuizen. From there 207 of them were taken to the naval base at Hellevoetsluis on 3 January 1939. Hermann Werner Berger was among them.
A.L. Jonker, Joodse vluchtelingen in Hellevoetsluis 1938-1940 (Hellevoetsluis 1995) 106
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