South Park' History: Trey Parker, Matt Stone on Censors, Tom Cruise and Scientology's Role in Isaac Hayes Quitting – The Hollywood Reporter

THR spoke to ‘South Park’ creators Trey Parker, Matt Stone, and others involved in the Comedy Central show’s early days on 20 years of history.

REDEF MediaSET: TV Show Oral Histories: Season Three

Why did China ban South Park for criticizing China and prove the whole point that the Chinese government is controlling and authoritarian? - Quora

South Park' History: Trey Parker, Matt Stone on Censors, Tom Cruise and Scientology's Role in Isaac Hayes Quitting – The Hollywood Reporter

Trapped in the Closet (South Park) - Wikipedia

South Park' Creators Trey Parker and Matt Stone Met Isaac Hayes Thanks to 'Beavis and Butt-Head,' Mike Judge Revealed

South Park Online - npfasr

201 (South Park) - Wikipedia

Isaac Hayes Never Quit South Park; Someone Else - Ben Bussey

Trey Parker, Ultimate Pop Culture Wiki