I can most highly recommend this .pdf download from The Absolute Sound.
Very informative with a great '100 best albums' section at the end (some of which are actually still obtainable).
http://www.theabsolutesound.com/buyers_guides/13/
:read:
Very informative with a great '100 best albums' section at the end (some of which are actually still obtainable).
http://www.theabsolutesound.com/buyers_guides/13/
:read: