05.1 | The first two pages of the urgent instruction issued by the ‘Reich Main Security Office’ on 29 January 1943
Karlsruhe General State Archives, 364 access 1975-3 II no. 24 (from there: pages 55 and 56)
05.1 | The first two pages of the urgent instruction issued by the ‘Reich Main Security Office’ on 29 January 1943