"2 delen"@nld . "1950-04" . "\"Catalogue of camps and prisons in Germany and German-occupied territories, september 1939 - may 194\", samengesteld door de International Tracing Service te Arolsen, met supplement van maart 1951,"@nld . . . . "\"Catalogue of camps and prisons in Germany and German-occupied territories, september 1939 - may 194\", samengesteld door de International Tracing Service te Arolsen, met supplement van maart 1951,"@nld . .