A Brief History of Metal | Heavy Metal 101 @ MIT
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100 Greatest Hard Rock Bands and Heavy Metal Bands of the 60s and 70s - HubPages
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Readers' Poll: The 10 Best Metal/Hard Rock Albums of the 1970s – Rolling Stone
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Volcanic Rock: A Guide to Heavy Metal of the Late 60's and Early 70's - Rate Your Music
New Wave Of Traditional Heavy Metal – 20 Essential Albums - BraveWords
A Brief History of Metal | Heavy Metal 101 @ MIT
100 Best Hard Rock Bands of the '80s and '90s - Spinditty
Top 70s hard rock artists | Last.fm
THE ACTIVE LISTENER: Ten Great Underground 70s Hard Rock Albums.
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Britain's Best Heavy Metal Bands of All Time
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Top Hard Rock and Heavy Metal Bands: 1970-1979 - Rate Your Music
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Top 11 Metal Albums of the 1970s
