in The Official Marvel Index to the X-Men (Marvel, 1987 series) #3 (September 1987)
in Marvel Masterworks: The X-Men (Marvel, 2003 series) #6 ([April] 2006)
in X-Men Vs. Hulk (Marvel, 2009 series) #[nn] (March 2009) [cover]
in The X-Men Omnibus (Marvel, 2009 series) #2 ([April] 2011)Sources for letters credit are The Marvel Comics Index (Olshevsky 1981), The Official Marvel Index to the X-Men (Olshevsky 1987), and The Official Marvel Index to the X-Men (Ward 1994).
in Strange (Editions Lug, 1970 series) #63 (5 mars 1975)
in Marvel Masterworks: The X-Men (Marvel, 2003 series) #6 ([April] 2006)
in X-Men Vs. Hulk (Marvel, 2009 series) #[nn] (March 2009)
in The X-Men Omnibus (Marvel, 2009 series) #2 ([April] 2011)End of original X-Men series; Cyclops, Angel, Marvel Girl and Beast next in AMAZING ADVENTURES #11, Professor X next in AVENGERS #88, Iceman next in INCREDIBLE HULK #150, Lorna Dane next in INCREDIBLE HULK #150
Total No. Copies Printed (net press run): Average no. copies each issue during preceding 12 months: 405,115.
in The X-Men Omnibus (Marvel, 2009 series) #2 ([April] 2011)