Artist Info:
Other country artists are mentioned in this song at the following times:

Buck Owen
Johnny Cash
Minnie Pearl
Lester & Earl (Lester Flatt and Earl Scruggs)
Merle Haggard
Ferlin Husky
Shirley Jones?
Glen Campbell
Burl Ives
Jean Shepard 
Jeannie C Riley
Kitty Wells 
Bobbie Gentry
Wilf Carter
Lefty Frizzell
Tom And Ted (aka The LeGarde Twins)
Slim Dusty
Chad Morgan
Paul Lester
Shorty Ranger
Reg Lindsay
Rick & Thel Carey
Gordon Parsons
Trevor Day
Buster Noble
Eddie Tapp
Nev Nichols
Kevin King 
Paul Lester