Sunlite 13-20-25 Watt 3 Way Spiral, Medium Base, Warm White - Compact Fluorescent Bulbs - Amazon.com
3-Way LED Light Bulbs 50W-100W-150W Equivalent, A21 Light Bulb 2700K-6000K-4000K, 800/1000/1800LM, A21 E26 Base for Hallway, Living Room, Home Lighting, Pack of 2" - Walmart.com
GE 47448 12/23/29-Watt CFL Energy Smart Spiral 3-Way Light Bulb | eBay
GE Lighting 77123 Energy Smart CFL 3-way 13/19/26-Watt (100-watt replacement) 600/1150/1750-Lumen T3 Spiral Light Bulb with Medium Base, 1-Pack - FrankoLighting