Columbia subject headings:
Harvard subject headings:
Frankfurt school of sociology.
History, Modern--20th century
Philosophy, Modern--20th century.
Philosophy--20th century.
Psychoanalysis--20th century.
Psychoanalysis--History--20th century.
Psychoanalysis--Social aspects
Twentieth century
World politics--20th century
Princeton subject headings:
History, Modern--20th century.
Philosophy--20th century.
Psychoanalysis--20th century.
Psychoanalysis--Social aspects.
Twentieth century.
World politics--20th century.