Thunderbolt (Kennywood) (English Wikipedia)

"2014 Top 50 wood Roller Coasters" (PDF). Amusement Today. 18 (6.2): 38–39. September 2014. Retrieved September 13, 2016.
"2023 Golden Ticket Award Winners". Amusement Today. 27 (6.2): 71–72. September 2023. Archived from the original on September 10, 2023. Retrieved September 13, 2016.

goldenticketawards.com

"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. August 1998. Retrieved September 13, 2016.
"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. August 1999. Retrieved September 13, 2016.
"Top 25 wood Roller Coasters" (PDF). Amusement Today. August 2000. Retrieved September 13, 2016.
"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. August 2001. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. September 2002. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 10–11B. September 2003. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 14–15B. September 2004. Archived from the original (PDF) on April 3, 2007. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 22–23B. September 2005. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 30–31B. September 2006. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 11 (6.2): 42–43. September 2007. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 12 (6.2): 42–43. September 2008. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 13 (6.2): 38–39. September 2009. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 14 (6.2): 38–39. September 2010. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 15 (6.2): 46–47. September 2011. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 16 (6.2): 46–47. September 2012. Retrieved September 13, 2016.
"2013 Top 50 wood Roller Coasters" (PDF). Amusement Today. 17 (6.2): 40–41. September 2013. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"2015 Top 50 wood Roller Coasters" (PDF). Amusement Today. 19 (6.2): 45–46. September 2015. Retrieved September 13, 2016.
"2016 Top 50 Wooden Coasters". Golden Ticket Awards. Amusement Today. September 2016. Retrieved September 13, 2016.
"2017 Top 50 Wooden Coasters". Golden Ticket Awards. Amusement Today. September 2017. Retrieved September 13, 2016.
"2018 Top 50 Wooden Coasters". Golden Ticket Awards. Amusement Today. September 2018. Retrieved September 13, 2016.
"2019 Top 50 Wood Coasters". Golden Ticket Awards. Amusement Today. September 2019. Retrieved September 13, 2016.
"2021 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2021. Archived from the original on November 15, 2021. Retrieved September 13, 2016.
"2022 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2022. Archived from the original on September 12, 2022. Retrieved September 13, 2016.
"2024 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2024. Archived from the original on September 9, 2024. Retrieved September 13, 2016.

napha.org

"Member Survey". napha.org.

newspapers.com

"Death on Kennywood Thunderbolt". Pittsburgh Post-Gazette. May 17, 1968. p. 1. Retrieved April 19, 2021.

rideaccidents.com

"RideAccidents.com – 1999 Accident Reports and News". Archived from the original on June 6, 2004.

web.archive.org

"RideAccidents.com – 1999 Accident Reports and News". Archived from the original on June 6, 2004.
"Coaster Landmark Awards". Archived from the original on October 12, 2018.
"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. August 2001. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 25 wood Roller Coasters" (PDF). Amusement Today: 6B. September 2002. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 10–11B. September 2003. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 14–15B. September 2004. Archived from the original (PDF) on April 3, 2007. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 22–23B. September 2005. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today: 30–31B. September 2006. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 11 (6.2): 42–43. September 2007. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 12 (6.2): 42–43. September 2008. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 13 (6.2): 38–39. September 2009. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 14 (6.2): 38–39. September 2010. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"Top 50 wood Roller Coasters" (PDF). Amusement Today. 15 (6.2): 46–47. September 2011. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"2013 Top 50 wood Roller Coasters" (PDF). Amusement Today. 17 (6.2): 40–41. September 2013. Archived from the original (PDF) on October 19, 2013. Retrieved September 13, 2016.
"2021 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2021. Archived from the original on November 15, 2021. Retrieved September 13, 2016.
"2022 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2022. Archived from the original on September 12, 2022. Retrieved September 13, 2016.
"2023 Golden Ticket Award Winners". Amusement Today. 27 (6.2): 71–72. September 2023. Archived from the original on September 10, 2023. Retrieved September 13, 2016.
"2024 Golden Ticket Award Winners". Golden Ticket Awards. Amusement Today. September 2024. Archived from the original on September 9, 2024. Retrieved September 13, 2016.