Albums that were FUNDAMENTAL in creating PROGRESSIVE METAL - Rate Your Music
My 100 Favorite Progressive Rock Albums - Rate Your Music
Your 'Top 20' Favorite Progressive Rock Albums | Steve Hoffman Music Forums
Progressive Rock History | Progressive Rock Central.com
The Progressive Rock Popularity Index - Rate Your Music
The Greatest Prog Rock Singers: A Top 30 Countdown | uDiscover
Top 50 Prog Albums 1990-2015 - The Prog Report
1972: A Landmark Year in Prog Rock, 50 Years On - The Prog Report
Is Prog Rock Really Progressive? – Progarchy
The 100 Greatest Prog Albums Of All Time: 20-1 | Louder
100 Greatest Progressive Rock Artists
Reader's Top 100 Progressive Rock Bands and Artists of All Time - ClassicRockHistory.com
The best prog-rock bands of all time | Yardbarker
Top 25 Modern Progressive Rock/Metal Bands [gogolplex 74] - YouTube
A UK Progressive Rock Primer-20+ Must Hear Albums - YouTube
THE MOST INFLUENTIAL ALBUMS IN THE DEVELOPMENT OF PROGRESSIVE ROCK | Prog Issue 110
7 Quintessential Progressive Rock Albums of the '70s | Articles @ Ultimate-Guitar.Com
Readers Poll: The Best Prog Rock Bands of All Time – Rolling Stone
Go back to go forward: the resurgence of prog rock | Pop and rock | The Guardian
Progressive Rock Bands by luciano6254 on DeviantArt
Progressive Rock History | Progressive Rock Central.com
10 Greatest Prog Rock Bands
Progressive rock bands I like alignment chart (l-c is how conventional they are and g-e is how generally positive the vibes of their music is) : r/AlignmentCharts
Prog Rock Is the Whitest Music Ever - The Atlantic
Top 10 Prog Rock Bands - Classics Du Jour
50 Greatest Prog Rock Albums of All Time – Rolling Stone
Top 50 Progressive Rock Albums
The 50 Greatest Prog Rock Albums Of All Time | uDiscover