Challengers of the Unknown #29 - DC Comics 1962 - Back Issue
Challengers of the Unknown #32 - DC Comics - 1963
Challengers of the Unknown #37 - DC Comics - 1978
Challengers of the Unknown #7, #8 and #9 - DC Comics - 1997 - "Last Days"
Challengers of the Unknown #78 - DC Comics - 1973
