Title: Rok pierwszy
Subjects: Politics and government, Sources, Underground movements, Internal security, World War, 1939-1945, Poland, History, Poland. Urząd Bezpieczeństwa, Political persecution, Poland. Ministerstwo Bezpieczeństwa Publicznego
Places: Lublin, Poland, Lublin (Poland : Voivodeship), Lublin (Voivodeship)
Time periods: 20th century