1. GEEZER BUTLER On ‘Shock’ Of Seeing OZZY OSBOURNE At ‘Back To The Beginning’ Rehearsals: ‘I Knew He Was Very Ill, But I Didn’t Realize How Ill He Was’  BLABBERMOUTH.NET
  2. Geezer Butler on Ozzy Osbourne at Final Black Sabbath Rehearsals: “I Was Just Shocked To See Him Like That”  Consequence of Sound
  3. BLACK SABBATH’s GEEZER BUTLER On Seeing OZZY OSBOURNE For The First Time In Years At “Back To The Beginning” Rehearsals – “I Was Just Shocked To See Him Like That”; Video  BraveWords