Quad Base F18 4PLR CFL Light Bulb by GE - #38876 | Lamps Plus
CFL Bulbs: Here's What You Need to Know (DIY) | Family Handyman
Utilitech Compact Fluorescent Bulb 60-Watt EQ Soft White Medium Base (E-26) Cfl Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
Utilitech 150-Watt EQ Bright White Light Fixture CFL Light Bulb at Lowes.com
Feit Electric 300-Watt Equivalent CFLNI Quad Tube E26 Base with Mogul Base Adapter Non-Dimmable CFL Light Bulb Daylight 6500K (6-Pack) PLF65/65/G2/6 - The Home Depot