Columbia subject headings:
Harvard subject headings:
Attitude (Psychology)--Congresses.
Attitude change--Congresses.
Collection Attitudes--Congresses.
Persuasion (Psychology)--Congresses.
Social influence--Congresses.
Princeton subject headings:
Attitude (Psychology)--Congresses.
Attitude change--Congresses.
Influence (Psychology)--Congresses.
Persuasion (Psychology)--Congresses.