Columbia subject headings:
Harvard subject headings:
Katyn Massacre, Katynʹ, Russia, 1940.
Princeton subject headings:
Communist revisionism--Russia (Federation).
Katyn Massacre, Katynʹ, Russia, 1940--History.
Polish people--Crimes against--Soviet Union--History--20th century.
Prisoners of war--Crimes against--Russia (Federation)--Katyn--History--20th century.
World War, 1939-1945--Atrocities--Russia (Federation)--Katyn.