Goodlite 13-Watt CFL 60 Watt Replacement 900-Lumen T2 Spiral Light Bulbs 10,000 Hour Life Super White 5000k (Case of 25) - On Sale - Bed Bath & Beyond - 7632270
UNITEDLUX E26 Spiral CFL Light Bulbs Medium Base 13Watt (60Watt Equivalent) Soft White 2700K, 1040Lm Non-dimmable Compact Fluorescent Light, (16 Pack) - Amazon.com
UNITEDLUX 13 Watt (60 Watt) Compact Fluorescent Light, Soft White 2700K, 1040LM, Spiral Medium Base CFL Light Bulbs (4 Pack) - Amazon.com
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