==External links==* Arlington National Cemetery* Frank J. Sprague historical information* Another page about Frank J. Sprague* Shore Line Trolley Museum - new permanent exhibit: "Frank J. Sprague: Inventor, Scientist, Engineer"* IEEE Biography of Sprague* Vishay Electronics Company History
* История трамвая* Система многих единиц* словарь slovar-vocab.com* Arlington National Cemetery* Frank J. Sprague historical information* Another page about Frank J. Sprague* Shore Line Trolley Museum — new permanent exhibit: «Frank J. Sprague: Inventor, Scientist, Engineer»* IEEE Biography of Sprague* Vishay Electronics Company History