Cyphers from occupied Poland, 10/1942-12/1943

PRM - Council of Ministers (Cabinet Office). 1939 - 1991. PRM.L Council of Ministers (Cabinet Office). Prime Minister’s Special Secretariat, the so called Mrs Lieberman Archive 1943 - 1944.

Cyphers from occupied Poland, 10/1942-12/1943 PRM – Council of Ministers (Cabinet Office). 1939 – 1991. PRM.L Council of Ministers (Cabinet Office). Prime Minister’s Special Secretariat, the so called Mrs Lieberman Archive 1943 – 1944.