Feyerabend's Xenophanes

Feyerabend, The Conquest of Abundance, Ch. 2

Xenophanes in Freeman, Ancilla to the Presocratic Philosophers

Recommended: 

Schrödinger, “The Religion of Xenophanes. Heraclitus of Ephesus” in Nature and the Greeks

Tyler, “If Horses Had Hands” 

Gattei, “Feyerabend, Truth and Relativisms”

Versnel, “One God: Three Greek Experiments in Oneness”

Papazian, “Gods and Fossils”