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 ==From pl wiki== 
 Few interesting facts from pl wiki, unfortunatly unreferenced. 1) Soviets tried to arrest Polish diplomats in SU claiming that they lost their diplomatic status and immunity. Ironically, those in Moscow were saved by German ambassador, Friedrich Werner von der Schulenburg. In another example of Soviet dipomacy, one of the reasons they gave in refusing Polish diplomats the right to leave was that Soviet diplomats were held in Poland - while in fact they left on 11 September... 2) Polish government left Poland after receiving information of Soviet forces advancing in their direction 3) Soviet arguments about their rights to invade included statements about how Poland forced injust division in Treaty of Riga 4) The article also stresses the fact that for Stalin and many others the invasion had a motif of personal revenge for their defeat in the PSW (see also Sandofd, already cited in our article). 5) One of the primary goals of Soviet army was to secure Polish borders first to limit the number of Polish soldiers that may escape the country; than move to contain forces left in the middle 6) There was anti-Soviet partisan activity; this actually has a specific ref (Tomasz Strzembosz Antysowiecka partyzantka i konspiracja nad Biebrzą X 1939 - VI 1941, Neriton, Warszawa 2004, ISBN 8388973789) 7) The 'Zbrodnie wojenne' - war crimes - section is pretty well referenced, although with Polish sources and doesn't mention much that we don't already, so it may be of use to a subarticle, but not really the main one (it has only a few more examples...) 8) We really need an article on German-Soviet Boundary and Friendship Treaty of Sept 28  | "