- Katyn Massacre, Katynʹ, Russia, 19408
- World War, 1939-19458
- Polish people3
- Political prisoners3
- Prisoners of war3
- Concentration camps2
- Exiles2
- Katyn Massacre, Katynʹ, Russia, 1940. 2
- World War, 1914-19182
- Communism1
- Cults1
- Foreign correspondents1
- Gold mines and mining1
- Heads of state1
- Internment camps1
- Kozelʹsk (Russia : Concentration camp)1
- Nuremberg War Crime Trials, Nuremberg, Germany, 1946-19491
- Penal colonies1
- Physicians1
- Political persecution1