Columbia subject headings:
Empedocles.
Hipponax, active 540 B.C.-537 B.C.
Xenophanes, approximately 570 B.C.-approximately 478 B.C.
Harvard subject headings:
Empedocles.
Hippon, active 5th century B. C.
Xenophanes, approximately 570 B.C.-approximately 478 B.C.
Princeton subject headings:
Empedocles.
Hippon, active 5th century B.C.--In literature.
Philosophy, Ancient.
Pre-Socratic philosophers--Italy, Southern.
Varro, Marcus Terentius.
Xenophanes, approximately 570 B.C.-approximately 478 B.C.