How light bulb is made - material, manufacture, history, used

Everlasting Lightbulbs? They Exist. Well, Existed - Interesting Engineering

Tungsten's Brilliant, Hidden History

G.E.'s History of Innovation - The New York Times

Who Invented the Light Bulb? A History Lesson

Light bulb collectors: An illuminating hobby - CBS News

How It's Made Led Light Bulbs In Factories Led Light Manufacturing Process @Techmachine_

Thomas Edison: How He Invented the Light Bulb and Changed the World, by John Adam Ledford, Readers Hope

U.S. Phase-Out of Incandescent Light Bulbs Continues in 2014 with 40-, 60-Watt Varieties

Introduction to CFL Bulbs

Lighting FAQs Department of Toxic Substances Control