4 5 – 1 9 4 7 ▁ ▁People ' s ▁Republic ▁of ▁Poland ▁( ; ▁P RL ), ▁ 1 9 4 4 – 1 9 5 2 ▁( uno fficial ly ), ▁ 1 9 5 2 – 1 9 8 9 ▁( o fficial ly ) ▁ ▁" West ern ▁bet ray al " ▁ ▁Notes ▁ ▁References ▁ ▁Bibli ography ▁▁▁ ▁C ien cial a , ▁Anna ▁M . ▁" The ▁Foreign ▁Policy ▁of ▁the ▁Polish ▁Government - in - Ex ile , ▁ 1 9 3 9 – 1 9 4 5 : ▁Political ▁and ▁Military ▁Real ities ▁versus ▁Polish ▁Psych ological ▁Re ality " ▁in : ▁John ▁S . ▁Mic g iel ▁and ▁Pi otr ▁S . ▁W and ycz ▁ed s ., ▁Ref lections ▁on ▁Polish ▁Foreign ▁Policy , ▁New ▁York : ▁ 2 0 0 5 . ▁online ▁▁ ▁Dav ies , ▁Norman . ▁God ' s ▁Play ground : ▁A ▁History ▁of ▁Poland , ▁Vol . ▁ 2 : ▁ 1 7 9 5 ▁to ▁the ▁Pres ent ▁( 2 0 0 5 ) ▁▁▁ ▁Koch ans ki , ▁Hal ik . ▁The ▁E agle ▁Un bow ed : ▁Poland ▁and ▁the ▁Pol es ▁in ▁the ▁Second ▁World ▁War ▁( 2 0 1 2 ) ▁ex cer pt ▁and ▁text ▁search ▁ ▁External ▁links ▁ ▁Stat ement ▁of ▁the ▁Polish ▁government ▁in ▁ex ile ▁following ▁the ▁death ▁of ▁General ▁S ikor ski ▁( 1 9 4 3 ) ▁Publications ▁on ▁the ▁Polish ▁government ▁(