Columbia subject headings:
Harvard subject headings:
Luther, Martin, 1483-1546
Propaganda, German--History--20th century.
Protestantism--History
World War, 1914-1918--Germany--Propaganda.
Princeton subject headings:
Luther, Martin, 1483-1546.
Propaganda, German--History--20th century.
Protestantism--History.
World War, 1914-1918--Germany--Propaganda.