Title: Ks. ppłk Jan Leon Ziółkowski (1889-1940)
Subjects: Military chaplains, Biography, Katyn Massacre, Katyn', Russia, 1940, World War, 1939-1945, Atrocities, Kozel'sk (Russia : Concentration camp)
Places: Poland, Ukraine, Kharkiv
People: Jan Leon Ziółkowski (1889-1940)