Columbia subject headings:
Harvard subject headings:
Christianity and politics--History--20th century
Maritain, Jacques, 1882-1973--Contributions in political science.
Maritain, Jacques, 1882-1973--Political and social views.
Niebuhr, Reinhold, 1892-1971--Contributions in political science.
Niebuhr, Reinhold, 1892-1971--Political and social views.
Princeton subject headings:
Christianity and politics--History--20th century.
Maritain, Jacques, 1882-1973--Contributions in political science.
Niebuhr, Reinhold, 1892-1971--Contributions in political science.