Columbia subject headings:
Harvard subject headings:
Church and state--Europe--History
Church history.
Europe--History--20th century.
Europe--History--21st century.
Europe--Politics and government.
Europe--Religion--History.
Kneucker, Raoul Friedrich.
Science--Europe--History
Technology--Europe--History
Princeton subject headings:
Democracy.
Ecumenists--Austria.
Europe--Politics and government--20th century.
Kneucker, Raoul Friedrich.
Political science--Philosophy.
Religious pluralism--Europe.
Science and state--Germany.