Excerpt:
Anaxagoras [Hanover Historical Texts Project)
Anaximander [Hanover Historical Texts Project)
Anaximenes [Hanover Historical Texts Project)
Empedocles [Hanover Historical Texts Project)
Heraclitus (WSU) Melissos [Hanover Historical Texts Project)
Parmenides [Hanover Historical Texts Project)
Pythagoras and the Pythagoreans [Hanover Historical Texts Project)
Thales [Hanover Historical Texts Project)
Xenophanes [Hanover Historical Texts Project)
Zeno [Hanover Historical Texts Project)