Columbia subject headings:
Fraenkel, Ernst, 1898-1975.
Pluralism.
Political scientists--Germany--Biography.
Harvard subject headings:
Fraenkel, Ernst, 1898-1975
Germany--Politics and government--1933-1945.
Jews, German--United States--Biography
Jews--Germany--Biography
Political science--Germany--History
Political scientists--Germany--Biography
Princeton subject headings:
Fraenkel, Ernst, 1898-1975.
Germany--Politics and government--20th century.
Political scientists--Germany--Biography.