Columbia subject headings:
Civilization.
Freud, Sigmund, 1856-1939.
Psychoanalysis.
Social psychology.
Harvard subject headings:
Civilization
Freud, Sigmund, 1856-1939
Psychoanalysis
Social psychology
Princeton subject headings:
Civilization.
Freud, Sigmund, 1856-1939.
Psychoanalysis.
Social psychology.