Eaton 660-Watt Porcelain Keyless Ceiling Socket, White in the Light Sockets department at Lowes.com
Luckycivia 25 Pack E10 Mini Bulb Holder DIY Physical Circuit Electrical Experiment Lighting Accessories Screw Type Light Socket Mounting Bracket Round Lamp Base - Amazon.com
Light Socket | Lamp Socket Components | Socket Replacement Parts
2 Outlet Light Socket Adapter, E26 Bulb Socket to Outlet Splitter,Converts Medium Screw Socket into a Socket with Two outlets,Polarized Outlet,with Pull Chain Switch. UL Listed, White (2-Pack) - Amazon.com
Leviton Rubber Weatherproof Outdoor Light Socket for Medium Base Incandescent Bulbs 124-D - The Home Depot
Sockets and Holders - Ace Hardware
3-Way Turn Knob Socket Interior | Lamp Socket Parts
How to Wire a Light Socket (DIY) | Family Handyman
Power Gear 3-Way Lamp Socket, Medium Base, Turn for Low-Medium-High Light Settings, For Floor and Table Lamps, DIY Project, UL Listed, Brushed Gold, 54372 - Light Sockets - Amazon.com
File:Light bulb socket E26 three way.jpg - Wikimedia Commons
Project Source 660-Watt Plastic Keyless Lamp Socket, Black in the Light Sockets department at Lowes.com