Columbia subject headings:
Belostok (Siberia)--History.
Catholics--Russia (Federation)--Siberia.
Polish people--Russia (Federation)--Siberia.
Polish people--Soviet Union.
Soviet Union--Politics and government--1936-1953.
Soviet Union. Narodnyĭ komissariat vnutrennikh del.
Terrorism--Soviet Union.
Harvard subject headings:
Białystok (Poland)--History.
Catholics--Russia (Federation)--Belostok--Biography.
Massacres--Russia (Federation)--Belostok.
Polish people--Russia (Federation)--Belostok--Violence against.
Soviet Union--Politics and government--1936-1953.
Soviet Union. Narodnyĭ komissariat vnutrennikh del
Princeton subject headings:
Belostok (Siberia)--History.
Catholics--Russia (Federation)--Siberia.
Polish people--Russia (Federation)--Siberia.
Polish people--Soviet Union.
Soviet Union--Politics and government--1936-1953.
Soviet Union. Narodnyĭ komissariat vnutrennikh del
Terrorism--Soviet Union.