1. Genesis 19, 24: “Then the Lord rained upon Sodom and Gomorrah brimstone and fire from the Lord out of heaven.” Other biblical references to brimstone are in Deuteronomy 29, 23: Job 18, 15; Psalm 11, 6; Isaiah 30, 33; Ezekiel 38, 22; Revelation 19, 20; etc.
2. HOMER, Odyssey, Book 22, 481: “Bring me sulfur, old nurse, that cleanses all pollution and bring me fire, that I may purify the house with sulfur.”
3. PLINY (the Elder), AD 23–79, mentions sulfur in several of the many books of his posthumously published major work, Naturalis Historia.