Inspired by WikiExpertXV's own blog post for his sound library, this is my turn to make a sound library of my own, consisting of sound effects derived from films, TV shows, video games, the GameBanana community and existing libraries (though modified), and this is solely dedicated to the latter.
Legend - Bold text indicates main usage.
Animal Trax (a few sound effects)
The Art of Foley Sound Effects Library
Cartoon Express Sound Effects Library (a few sound effects)
Crash & Burn Sound Effects Library
Disney Ideas Sound Effects Library
Dynamic Range Sound Effects Library - CDs 3 & 4
Explosions For The 21st Century Patricio Libenson's Signature
FirstCom - Production Elements
The General Series 6000 Sound Effects Library (selected sound effects only)
Impact Effects 1 Sound Effects Library
Impact Effects 2 Sound Effects Library
Impact Effects 3 Sound Effects Library
Jurassic Dinosaurs Sound Effects Library
Larger Than Life Sound Effects Library
Larger Than Life 2 Sound Effects Library
Lucasfilm Sound Effects Library
The Premiere Edition Volume 1 (selected sound effects only)
The Premiere Edition Volume 2 (selected sound effects only)
Series 1000 Sound Effects Library (selected sound effects only)
Series 2000 Sound Effects Library (selected sound effects only)
Series 4000 Hollywood Sound Effects Library (selected sound effects only)
Series 6000 Extension I Sound Effects Library
Series 6000 Extension II Sound Effects Library
Series 6000 Extension III Sound Effects Library (selected sound effects only)
20th Century Fox Sound Effects Library
Universal Studios Sound Effects Library