Columbia subject headings:
Authors, German--20th century--Biography.
German literature--Foreign countries.
Marcuse, Ludwig, 1894-1971.
Harvard subject headings:
Authors, German--20th century--Biography
German literature--Foreign countries
Marcuse, Ludwig, 1894-1971--Biography.
Princeton subject headings:
Authors, German--20th century--Biography.
German literature--Foreign countries.
Marcuse, Ludwig, 1894-1971.