Columbia subject headings:
Europe--Politics and government--1918-1945.
Fascism and culture--Europe--History.
Fascism--Europe--History.
May Day (Labor holiday)--History.
Harvard subject headings:
Europe--Politics and government--1918-1945.
Fascism and culture--Europe--History.
Fascism--Europe--History
May Day (Labor holiday)--History.
Princeton subject headings: