British Excuses Not To Declare War On Russia War Cabinet
The British Excuses Not To Declare War On Russia War Cabinet 18 (39) makes it clear the the British Guarantee to Poland was only directed against Germany and that the invasion by the Red Army of Poland in the East is of no interest and little concern to the British war cabinet
https://archive.org/download/BritishExcusesNotToDeclareWarOnRussiaWarCabinet/British-Excuses-not-to-declare-war-on-Russia-War-Cabinet.pdf
