Columbia subject headings:
Harvard subject headings:
Animal ghosts--Greece.
Ghosts--Greece.
Hallucinations and illusions--Greece.
Heads of state--Greece--Psychological aspects.
Spirits
Supernatural
Princeton subject headings:
Animal ghosts--Greece.
Ghosts--Greece.
Hallucinations and illusions--Greece.
Heads of state--Greece--Psychological aspects.
Spirits.
Supernatural.