Columbia subject headings:
Death.
Future life.
Immortality (Philosophy)
Mind and body.
Philosophy, Ancient.
Pre-Socratic philosophers.
Harvard subject headings:
Death
Future life
Immortality (Philosophy)
Mind and body
Philosophy, Ancient
Pre-Socratic philosophers
Princeton subject headings:
Death.
Future life.
Immortality (Philosophy)
Mind and body.
Philosophy, Ancient.
Pre-Socratic philosophers.