Star Trek: Redemption uses various sources for it's canon information. They are listed below:
Star Trek: The Original Series
Star Trek: The Next Generation
Star Trek: Deep Space Nine
Star Trek: Voyager
Star Trek: Enterprise
Star Trek: The Motion Picture
Star Trek II: The Wrath of Khan
Star Trek III: The Search for Spock
Star Trek IV: The Voyage Home
Star Trek V: The Final Frontier
Star Trek VI: The Undiscovered Country
Star Trek VII: Generations
Star Trek VIII: First Contact
Star Trek IX: Insurrection
Star Trek X: Nemesis
Star Trek: Scotty's Guide to the Enterprise
Star Trek: The Next Generation Technical Manual
Star Trek: Deep Space Nine Technical Manual
The Star Trek Encyclopaedia/Omnipedia/Compendium
Last Unicorn Games' line of Star Trek: The RolePlaying Game
Decipher's line of Star Trek: The Roleplaying Game
In the event of conflicting information, as a general rule, favor will be given to Decipher's line, as it is the more current line of RPG books
The following sources are /not/ valid sources for canon information:
Any unlisted versions of the Star Trek TT RPG's out there.
Any video game out there in production
The following sources may or may not be considered canon sources if the staff thinks the concept does not fit in with the game:
Star Trek: The Animated Series
Any of the various Star Trek paperback books out there.