Facts on File, Incorporated (2010). Animation. Infobase Publishing. p. 9. ISBN978-1-4381-3249-5. Archived from the original on April 6, 2014. Retrieved February 2, 2014.
Browne, David (March 26, 1993). "I Act, Therefore I Sing". Entertainment Weekly. Archived from the original on December 21, 2009. Retrieved January 15, 2022.
Zdyrko, David (November 27, 2001). "The Simpsons Road Rage". IGN. News Corporation. Archived from the original on January 3, 2013. Retrieved June 19, 2010.
Anderson, Mike B.; Oliver, Rob (October 4, 2020), I, Carumbus, The Simpsons, Dan Castellaneta, Julie Kavner, Nancy Cartwright, retrieved September 18, 2023
Kuipers, Dean (April 15, 2004). "3rd Degree: Harry Shearer". Los Angeles: City Beat. Archived from the original on March 8, 2008. Retrieved September 1, 2006.
Groening, Matt (February 14, 2003). "Fresh Air". NPR (Interview). Interviewed by David Bianculli. Philadelphia: WHYY. Archived from the original on December 13, 2007. Retrieved August 8, 2007.
Groening, Matt (December 29, 2004). "Fresh Air". NPR (Interview). Interviewed by Terry Gross. Philadelphia: WHYY-FM. Archived from the original on June 10, 2007. Retrieved November 9, 2008.
Kay, Jonathan (September 9, 2000). "Caste of Characters". Saturday Night Magazine. Archived from the original on February 10, 2008. Retrieved August 7, 2007.
Hogan, Gerard O'Donovan, Ben Lawrence, Chris Harvey, Andrew Pettie, Neil Midgley and Michael (November 10, 2015). "The 10 best TV sitcoms of all time". Archived from the original on November 18, 2018. Retrieved February 24, 2019 – via The Telegraph.{{cite web}}: CS1 maint: multiple names: authors list (link)
Facts on File, Incorporated (2010). Animation. Infobase Publishing. p. 9. ISBN978-1-4381-3249-5. Archived from the original on April 6, 2014. Retrieved February 2, 2014.
Groening, Matt (February 14, 2003). "Fresh Air". NPR (Interview). Interviewed by David Bianculli. Philadelphia: WHYY. Archived from the original on December 13, 2007. Retrieved August 8, 2007.
Kuipers, Dean (April 15, 2004). "3rd Degree: Harry Shearer". Los Angeles: City Beat. Archived from the original on March 8, 2008. Retrieved September 1, 2006.
Groening, Matt (December 29, 2004). "Fresh Air". NPR (Interview). Interviewed by Terry Gross. Philadelphia: WHYY-FM. Archived from the original on June 10, 2007. Retrieved November 9, 2008.
Kay, Jonathan (September 9, 2000). "Caste of Characters". Saturday Night Magazine. Archived from the original on February 10, 2008. Retrieved August 7, 2007.
Hogan, Gerard O'Donovan, Ben Lawrence, Chris Harvey, Andrew Pettie, Neil Midgley and Michael (November 10, 2015). "The 10 best TV sitcoms of all time". Archived from the original on November 18, 2018. Retrieved February 24, 2019 – via The Telegraph.{{cite web}}: CS1 maint: multiple names: authors list (link)
Browne, David (March 26, 1993). "I Act, Therefore I Sing". Entertainment Weekly. Archived from the original on December 21, 2009. Retrieved January 15, 2022.
Zdyrko, David (November 27, 2001). "The Simpsons Road Rage". IGN. News Corporation. Archived from the original on January 3, 2013. Retrieved June 19, 2010.