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