Circle (Pack of 8) Incandescent 60 Watt A19 Light Bulb: Clear Standard Household E26 Medium Base Rough Service Light Bulbs - - Amazon.com
Light Bulb Shapes, Sizes and Base Types Explained | LEDwatcher
UNILAMP A19 LED Light Bulbs 100 Watt Equivalent, 5000K Daylight White LED Light Bulbs, 1500LM, 13W Bright White Light Bulbs, E26 Standard Base for Bedroom, Living Room, Office, Non Dimmable, 4 Pack - -
Light Bulb Base Sizes - ElectronicsHub
OmiBrite 6-Pack Dimmable LED ST19 Edison Light Bulb, Warm White 60 Watt EQ, E26 Standard Base - Walmart.com