Por un escritor de hombre misterioso
Black Sabbath – Purple Sabbath (CD) - Discogs
Black Sabbath – Master Of Reality (CD) - Discogs
Black Sabbath-Master of Reality : r/vinyl
Black Sabbath – Live From The Ontario Speedway Park, April 6th 1974 / KLOS-FM Broadcast (2020, Purple, Vinyl) - Discogs
Black Sabbath - Black Sabbath - Purple & Black Splatter Colored Vinyl
Never Say Die (video) - Wikipedia
MOB RULES - BLACK SABBATH (#603497850723) - Omega Music
Black Sabbath - Born Again, Releases
Black Sabbath – Black Mass (1999, Blood Pack, CD) - Discogs
Black Sabbath - Purple & Black Splatter Colored Vinyl: CDs & Vinyl
BLACK SABBATH discography and reviews
Black Sabbath - Black Sabbath (Purple Vinyl) - Vinyl Pussycat Records
What's The Use of Black Sabbath's Cross Purposes? - Rock and Roll Globe
Black Sabbath – Master Of Reality (2022, Gatefold, Vinyl) - Discogs
Black Sabbath – Master Of Reality (CD) - Discogs