Xtricity Compact Fluorescent Light Bulb T2 Spiral CFL, 4100k Cool White, 9W (40 Watt Equivalent), 540 Lumens, E26 Medium Base, 120V, UL Listed (Pack of 2) - Amazon.com
SYLVANIA 75-Watt EQ T3 Soft White Medium Base (E-26) Cfl Light Bulb (6-Pack) in the General Purpose Light Bulbs department at Lowes.com
Compact fluorescent lamp - Wikipedia
Amazon.com: HPUSN 85W 110V 5400K Compact Fluorescent CFL Balanced Daylight Bulb with E27 Mount, Lighting Studio Ideal for Photography and Video : Electronics
Which light bulbs need a ballast?
Specifications of the Tornado Compact fluorescent Spiral bulb 8718696514023 | Philips
OttLite 15W Swirl Screw in Light Bulb - Compact Fluorescent Light Bulbs Replacement - Bright Natural Daylight for
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 2-Pin GX23-2 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13/41/HDRP - The Home Depot