Marvel
Collecting X-Men Annual (1970) #15, X-Factor (1986) #65-70, Uncanny X-Men (1981) #278-280, X-Men (1991) #1-3 and material from New Mutants Annual #7 & X-Factor Annual #6.
Mutant Genesis
Writers: Fabian Nicieza, Chris Claremont, Jim Lee, Whilce Portacio, Peter David, Len Kaminski
Artists: Whilce Portacio, Jim Lee, Kirk Jarvinen, Tom Raney, Terry Shoemaker, Paul Smith, Andy Kubert, Jerry DeCaire, Ernie Stiner, Steven Butler