empedocles, parmenides, heraclitus, aristotle, anaxagoras, diels, things, anaximander, theophrastus, democritus, fragment, earth, fragments, xenophanes, simplicius, kirk, fire, opposites, strife, doctrine, guthrie, aetius, zeno, frag, presocratic, water, philosophy, cosmogony, cosmic, melissus, kahn, anaximenes, cosmos, phys, love, infinite, philosophers, philolaus, plato, mixture, thales, raven, hippolytus, everything, burnet, pythagoreans, universe, seeds, diogenes, cornford
1880
The Beginning of a Written Literature in Greece. Lewis R. Packard. Transactions of the American Philological Association (1870). (1880), pp. 34-51
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Virgil and Plato. Ernest G. Sihler. Transactions of the American Philological Association (1870). (1880), pp. 72-82
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