Black Sabbath discography - Wikipedia

Black Sabbath discography - Wikipedia

Classic Albums Covered - Black Sabbath - XRaydio

Unknown Facts About Black Sabbath First Album

Black Sabbath - Wikipedia

Black Sabbath – Black Sabbath Online

Marking Time - Black Sabbath's most accomplished studio

Black Sabbath reissues two classic albums from the Ronnie James Dio era - Goldmine Magazine: Record Collector & Music Memorabilia

Black Sabbath Albums Ranked From Worst To Best, by Eddy Bamyasi, 6 Album Sunday

The Ultimate Collection: CDs & Vinyl