Columbia subject headings:
Belief and doubt.
Critical thinking.
Ideology--Psychological aspects.
Instructional and educational works.
Reason.
Self-help publications.
Social psychology.
Thought and thinking.
Harvard subject headings:
Belief and doubt
Critical thinking
Ideology--Psychological aspects.
Instructional and educational works
Reason
Self-help publications
Social psychology
Thought and thinking
Princeton subject headings:
Ideology--Psychological aspects.
Reason.
Social psychology.