Thales Thales - fragments and commentary Thales of miletus Thales page
Anaximander Anaximander - fragments and commentary Anaximander
Heraklitus Heraclitus Heraclitus - greek materialist
Pythagoras Pythagoras 12 Pythagorean texts Pythagoras and the pythagoreans
Xenophanes - fragments and commentary
Parmenides Parmenides Parmenides 1234 Parmenides - fragments and commentary Parmenides on nature
Zeno 12 Zeno's coffeehouse
Empedocles Empedocles
Anaxagoras Anaxagoras - fragments and commentary
Parmenides
Pythagoras1