NOTE: These sites may include material not already stored here, though I think most of it is

http://strpg.patrickgoodman.org/
https://i.pinimg.com/originals/82/a7/3e/82a73e9b0d9632d23866c1e36a3f9778.jpg
http://www.trek-rpg.net/oldsite/
https://startrekdecipher.info/index.html