"Folsom Powerhouse". National Historic Landmark summary listing. National Park Service. Archived from the original on November 14, 2007. Retrieved June 18, 2008.
teslasociety.com
George Westinghouse and Nikola Tesla designed Niagara power station [4] accessed 11 Apr 2014
web.archive.org
"Folsom Powerhouse". National Historic Landmark summary listing. National Park Service. Archived from the original on November 14, 2007. Retrieved June 18, 2008.