Just seeing this thread for the first time, and it’s a great subject! Off the top of my head I’d say:
The Band: Music From Big Pink; s/t (the "brown" album)
Bob Dylan: Bringing It All Back Home; Highway 61 Revisited; Blonde On Blonde; John Wesley Harding; Nashville Skyline; New Morning; Planet Waves; Shot Of Love
Dave Edmunds: Rockpile (album title, not the Group he was in with Nick Lowe); Subtle As A Flying Mallet; Get It; Tracks On Wax 4; Repeat When Necessary; Twangin’; D.E. 7
The Flamin’ Groovies: Shake Some Action
Nick Lowe: Labour Of Lust
Rockpile: Seconds Of Pleasure
Carlene Carter: Musical Shapes
Rodney Crowell: The Houston Kid
The Notorious Cherry Bombs: s/t
John Hiatt: Bring The Family; Slow Turning
Iris Dement: Infamous Angel; My Life; The Way I Should
Buddy Miller: Your Love And Other Lies; Cruel Moon
Kevin Gordon: Down To The Well
Lucinda Williams: s/t (Rough Trade)
Jim Lauderdale: Through It All
Loudon Wainwright III: Last Man On Earth
AC/DC: Back In Black
Weezer: s/t (the "green" album)
The Dwight Twilley Band: Sincerely
Emitt Rhodes: s/t
Van Dyke Parks: Song Cycle
The Beach Boys: All Summer Long; Pet Sounds; Smiley Smile; Wild Honey; Sunflower; Love You. And of course what would have been the pinnacle of Pop perfection had it been completed and released, Smile.