Only bit of “EU” that didn’t rely on the WEG game that I can think of is probably splinter of the mind’s eye.
You’re forgetting The Han Solo Adventures by Brian Daley, The Lando Calrissian Adventures by L. Neil Smith, and the Star Wars/Droids/Ewoks comics published by Marvel. 😛
Yeah forgot about those old marvel comics when I shouldn’t have, I need to start reading those again.