- en.wikipedia.org Geezer Butler^ "Hartke Brings Together Music's Finest For All-Star Tribute To Geezer Butler". blabbermouth.net. 14 November 2013. Retrieved 26 January 2014.
- equipboard.com pros/geezer-butlerGeezer Butler's gear and equipment including the Fender Precision Bass, Dunlop 95Q Cry Baby Wah Wah, and Lakland Geezer Butler Signature Bass.
- guitarlobby.com geezer-butler-bass-guitars-and-…In this article we discuss the bass guitars and gear used by Geezer Butler throughout his career. We also have a table with all of his gear listed in chronological order.
- allmusic.com album/plastic-planet-mw0000177619Plastic Planet by Geezer Butler, GZR released in 1995. Find album reviews, track lists, credits, awards and more at AllMusic.
- ultimateclassicrock.com geezer-butler-black-…A look at the very best Black Sabbath songs featuring bassist and lyricist Geezer Butler.
- vk.com wall-10243082_47018
- youtube.com channel/UCzuYnwK-TsBcB2bkE4vBMwwGZR je heavymetalová hudební skupina založená roku 1995 jako vlastní projekt baskytaristou Black Sabbath Geezerem Butlerem v texaském Houstonu...
- musify.club en/release/geezer-plastic-planet-1995…
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