Columbia subject headings:
Fire--Philosophy.
Heraclitus, of Ephesus. Fragments.
Logos (Christian theology)
Logos (Philosophy)
Soul.
Harvard subject headings:
Fire--History.
Heraclitus, of Ephesus.
Heraclitus, of Ephesus. Fragments
Logos (Christian theology)--History.
Soul--History.
Princeton subject headings: