Columbia subject headings:
Harvard subject headings:
Communism--Germany--History--20th century
Communism--Italy--History--20th century
Fascism--Germany--History--20th century
Fascism--Italy--History--20th century
Germany--Politics and government--20th century
Italy--Politics and government--20th century.
Political culture--Germany--History--20th century.
Political culture--Italy--History--20th century.
Political parties--Germany--History--20th century
Political parties--Italy--History--20th century
Socialist parties--Germany--History--20th century.
Socialist parties--Italy--History--20th century.
Princeton subject headings:
Germany--Politics and government--20th century.
Italy--Politics and government--20th century.
Political parties--Germany.
Political parties--taly.