"Information about The Triplett Electrical Instrument Company, and Bluffton, Ohio.," Vanzwamcs, http://www.vanzwamcs.com/greenpages/I-177-B/Triplett_Bluffton_page.htm (accessed 07/20/2015)
"Triplett Corporation," Triplett, (accessed via The Internet Archive Wayback machine) http://web.archive.org/web/20100109171250/http://www.triplett.com/scp_his.htm (acessed 07/20/2015)
"Triplett Experience," Triplett, (accessed via The Internet Archive Wayback machine) https://web.archive.org/web/20100204164926/http://www.triplett.com/company.php (accessed 07/20/2015)