books.google.de - In spring 1940 the NKVD, Stalin security police, massacred nearly 15,000 Polish prisoners of war captured in September 1939 during the Nazi-Soviet war against Poland. Taken from camps at Kozelsk, Starobelsk and Ostashkov, they were shot and buried at Katyn. The massacre was uncovered and publicized by...http://books.google.de/books/about/Katyn_And_The_Soviet_Massacre_Of_1940.html?hl=de&id=PZXvUuvfv-oC&utm_source=gb-gplus-shareKatyn And The Soviet Massacre Of 1940
