Columbia subject headings:
Internal security--Germany.
Islamophobia--Germany.
Mosques--Germany--History--21st century.
Muslims--Germany.
World War, 1939-1945--Participation, Muslim.
Harvard subject headings:
Islam and politics--Germany--History--20th century.
Islam and politics--Germany--History--21st century.
Islam--Germany--History--20th century.
Islam--Germany--History--21st century.
Islamic fundamentalism--Germany--History--20th century.
Islamic fundamentalism--Germany--History--21st century.
Princeton subject headings: