in The X-Men Omnibus (Marvel, 2009 series) #1 ([April] 2009)
in Fantastic! (IPC, 1967 series) #48 (13 January 1968)
in The Official Marvel Index to the X-Men (Marvel, 1987 series) #2 (July 1987)
in Marvel Masterworks: The X-Men (Marvel, 1998 series) #[3] (January 2002)
in The X-Men Omnibus (Marvel, 2009 series) #1 ([April] 2009)Disputed penciler credit--Werner Roth alone per the original indexer; Werner Roth with an assist on the Kulkulkan figure by Jack Kirby per Steve Whitaker, Nick Caputo, Carl Gafford, and Michael Evans.
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). Possible Kuramato credit per Nick Caputo, June 2012.
in The X-Men (Marvel, 1963 series) #74 (February 1972)
in Spidey (Editions Lug, 1979 series) #42 (juillet 1983)
in Marvel Special (Marvel Italia, 1994 series) #10 (Aprile 1997)
in Marvel Masterworks: The X-Men (Marvel, 1998 series) #[3] (January 2002)
in The X-Men Omnibus (Marvel, 2009 series) #1 ([April] 2009)