Pliny the Elder. Naturalis Historia, Book 7.56.3 "Hesiod says that those who are called the Idaean Dactyls taught the smelting and tempering of iron in Crete"; the passage in Hesiod itself has not survived.
Pliny the Elder. Naturalis Historia, Book 7.56.3 Commentary: "According to Pausanias, the art of forging iron was discovered by Glaucus of Chios. Strabo ascribes it to the Idæan Dactyli, and the art of manufacturing utensils of bronze and iron to the Telchines; the former were inhabitants of Crete, the latter of Rhodes."
