Telegram from [John] Martin [Prime Minister's Principal Private Secretary, Yalta, Soviet Union] to Private Office marked "From: Argonaut", "Jason 321", and "Personal" passing on a message from WSC to Deputy Prime Minister [Clement Attlee] for the War Cabinet: reporting discussions [at the Yalta Conference] on Soviet representation in the United Nations Assembly, Poland, France and General Charles de Gaulle [President of the Provisional Government of the French Republic], and military matters; and commenting on his and President Franklin Roosevelt's immediate plans [after the Conference].