Columbia subject headings:
Denmark--Politics and government--1912-1947.
France--Politics and government--1914-1940.
Germany--Politics and government--1933-1945.
Italy--Politics and government--1922-1945.
Soviet Union--Politics and government--1917-1936.
Harvard subject headings:
Denmark--Politics and government--1912-1947.
France--Politics and government--1914-1940.
Germany--Politics and government--1933-1945.
Italy--Politics and government--1922-1945.
Soviet Union--Politics and government--1917-1936.
Princeton subject headings:
Denmark--Politics and government--1912-1947.
France--Politics and government--1914-1940.
Germany--Politics and government--1933-1945.
Italy--Politics and government--1922-1945.
Soviet Union--Politics and government--1917-1936.