Trafford Trafford Historical Society
George Westinghouse
- Wilmerding and the Westinghouse Air Brake Company Wilmerding World Wide
- Pittsburgh's Point Breeze Sarah L. Law
- Around Ovid Ovid Historical Society
- Thomas Edison: English Edition Santiago Machain
- Tesla Margaret Cheney
- Het elektrisch paradijs: De komst van stroom en de transformatie van het huiselijk leven Lorenz van Doornen, Meta Krüger
- Summary of Margaret Cheney's Tesla IRB Media
- Topsy: The Startling Story of the Crooked-Tailed Elephant, P. T. Barnum, and the American Wizard, Thomas Edison Michael Daly
