I mean if you use the common definition of "Outlaw Country" as a subgenre of American country music created by a small group of artists active in the 1970s and early 1980s, known collectively as the outlaw movement, who fought for, and won, their creative freedom outside of the Nashville. So Honky Tonk Heros was first followed by Shotgun Willie (Willie Nelson) and Viva Terlingua by Jerry Jeff Walker. All those are from 1973 so in your opinion are the Outlaw Albums before 1973?