These are the books I know are missing from this torrent:

D6:
WEG40027 - Galaxy Guide 6: Tramp Freighters (1st Ed) - Functionally covered by 2nd ed version
WEG40056 - Heir to the Empire Sourcebook (Hardcover) - Functionally covered by the softcover version
WEG40058 - Dark Force Rising Sourcebook (Hardcover) - Functionally covered by the softcover version

Other West End Games Books:
WEG40044 - Miniatures Battles (1st Ed) - Functionally covered by 2nd ed version

D20:
         - Core Rulebook (1st Ed)



These are the books that could use a better scan:

D6:
WEG40008 - Death Star Technical Companion - Medium Quality
WEG40055 - The Roleplaying Game (2nd Ed) - Medium Quality
WEG40059 - The Last Command Sourcebook - Medium Quality
WEG40062 - Wanted by Cracken - Medium Quality
WEG40064 - Gamemaster Screen - Medium Quality + Missing a page
WEG40073 - Galaxy Guide 10: Bounty Hunters - Medium Quality
WEG40080 - Creatures of the Galaxy - Medium Quality
WEG40091 - Rebel Alliance Sourcebook - Medium Quality
WEG40095 - Galaxy Guide 6: Tramp Freighters - Medium Quality
WEG40107 - Platt's Starport Guide - Medium Quality
WEG40114 - The Jedi Academy Sourcebook - Medium Quality
WEG40116 - Cynabar's Fantastic Technology: Droids - Medium Quality
WEG40120 - The Roleplaying Game, Revised and Expanded - Black&White
WEG40134 - Special Edition Trilogy Sourcebook - Medium Quality
WEG40135 - Gamemaster Screen Revised - Medium Quality + Missing pages


D20:
WTC11833 - GameMaster's Screen - Missing Inlay
   (XXX) - GM Screen (Saga Edition) - Missing Inlay
   88664 - Arms and Equipment Guide - Medium Quality
WTC17663 - Coruscant and the Core Worlds - Medium Quality
WTC88887 - Geonosis and the Outer Rim Worlds - Medium Quality
WTC88662 - Power of the Jedi Sourcebook - Medium Quality
WTC11837 - Rebellion Era Sourcebook - Medium Quality
TSR11794 - Secrets of Naboo - Medium Quality
WTC11839 - Secrets of Tatooine - Medium Quality
WTC11859 - Starships of the Galaxy - Medium Quality
WTC88572 - Ultimate Adversaries - Medium Quality
WTC17751 - Ultimate Alien Anthology - Medium Quality