Columbia subject headings:
Harvard subject headings:
Child artists--Congresses.
Imagination--Congresses.
Rites and ceremonies--Psychological aspects--Congresses.
Symbolism (Psychology)--Congresses.
Princeton subject headings:
Child artists--Congresses.
Imagination--Congresses.
Rites and ceremonies--Psychological aspects--Congresses.
Symbolism (Psychology)--Congresses.