Origine: http://www.ultimate-guitar.com/interviews/interviews/geezer_butler_bringing_the_dio_era_back.html
Geezer Butler Frasi e Citazioni
Origine: http://www.black-sabbath.com/interviews/butler96.html
Geezer Butler: Frasi in inglese
“ Black Sabbath's Geezer Butler,” interview with People for the Ethical Treatment of Animals (5 May 2009) https://www.youtube.com/watch?v=D5ASHXylc-g.
“Black Sabbath's Geezer Butler,” interview with Devils Gate Media (24 March 2016) http://devilsgatemedia.com/interview-black-sabbaths-geezer-butler/.