1954 3 GENERAL MOTORS Firebird GAS-TURBINE AUTO POPULAR MECHANICS March 1954 6.5″x9.25″ page 90
1954 9 20 GENERAL MOTORS Cars of Tomorrow…Harrison Cooled TEMPERATURES MADE TO ORDER HARRISON RADIATOR DIVISION, GENERAL MOTOR CORPORATION, LOCKPORT, NY AUTOMOTIVE NEWS September 20, 1954 11″×15″ page 14
1954 GENERAL MOTORS XP-21 Firebird Experimental 1954 9″x12″ page 76