Columbia subject headings:
Harvard subject headings:
Historians--Germany--Biography
Philosohers--Germany--Biography.
Philosophers--Germany--Biography
Spengler, Oswald, 1880-1936.
Princeton subject headings:
Conservatism--Germany--History--20th century.
Germany--Politics and government--1918-1933.
History--Philosophy.
Philosophers--Germany--Biography.
Spengler, Oswald, 1880-1936--Political and social views.
Spengler, Oswald, 1880-1936.