Columbia subject headings:
Jehovah's Witnesses--Nazi persecution.
World War, 1939-1945--Atrocities.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Italy--Congresses.
Jehovah's Witnesses--Italy--Congresses.
Jehovah's Witnesses--Nazi persecution--Italy--History--Congresses.
National socialism and religion--Italy--Congresses.
Princeton subject headings:
Fascism--Italy--Congresses.
Holocaust, Jewish (1939-1945)--Italy--Congresses.
Italy--Ethnic relations--History--Congresses.
Jehovah's Witnesses--Nazi persecution--Italy--History--Congresses.
Jehovah's Witnesses--Nazi persecution--Italy--History--Sources.
Liberty of conscience--Italy--History--20th century--Congresses.
National socialism and religion--Italy--Congresses.
Racism--Italy--History--Congresses.