Cyphers from Occupied Poland (,Government Delegate and Council of National Unity), VII.1944 – X.1944

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 (,Government Delegate and Council of National Unity), VII.1944 – X.1944 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.