Uncanny X-Men #109 1978 1ST APPEARANCE OF WEAPON ALPHA (JAMES HUDSON, LATER BECOMES GUARDIAN AND VINDICATOR)
Uncanny X-Men #110 1978 Phoenix joins X-Men
Uncanny X-Men #114 1978 1ST USE OF "UNCANNY" IN THE LOGO
Uncanny X-Men #115 1978
Uncanny X-Men #119 1979 CAMEO OF PROTEUS
Uncanny X-Men #127 1978 (Newsstand Edition) Variant
Uncanny X-Men #128 1980 (Newsstand Edition) Variant
Uncanny X-Men #138 1980 (Newsstand Edition) Variant Cyclops Leaves
Uncanny X-Men #138 1980 Cyclops Leaves
Uncanny X-Men #139 1980 (Newsstand Edition) Variant, Kitty Pryde joins the X-Men
Uncanny X-Men #140 1980 (Newsstand Edition) Variant Wendigo Cover
Uncanny X-Men #142 1981 Days of Future Past story concludes; Deaths of all future X-Men
Uncanny X-Men #143 1981 (Newsstand Edition) Variant Last John Byrne issue
Uncanny X-Men #143 1981 Last John Byrne issue
Uncanny X-Men #144 1981 (newsstand) Variant Man Thing
Uncanny X-Men #144 1981 Man Thing
Uncanny X-Men #146 1981
Uncanny X-Men #148 1981 (newsstand) Variant
Uncanny X-Men #149 1981
Uncanny X-Men #150 1981 (Newsstand Edition) Variant
Uncanny X-Men #150 1982
Uncanny X-Men #151 1982