This is the best I could find...https://bg.battletech.com/download/BattleTech%20Inner%20Spher%20at%20War%202786.pdf?x64300
Download MekHQ, it has everything you want and can even easily edit the ownership of planets as you move away from Canon time line and such
Interviewer: Since you’ve stopped making art, how do you spend your time?Paul Chan Breathers: Oh, I’m a breather. I’m a respirateur. Isn’t that enough?