Columbia subject headings:
Doppelgängers--Social aspects.
Doubles in art.
Doubles in literature.
Doubles in motion pictures.
Split self in literature.
Harvard subject headings:
Doppelgängers--Social aspects.
Doubles in art.
Doubles in literature.
Doubles in motion pictures.
Split self in literature.
Princeton subject headings:
Doppelgängers--Social aspects.
Doubles in art.
Doubles in literature.
Doubles in motion pictures.
Split self in literature.