* The Unofficial Handbook of Marvel Comics Creators - accessed on 08/23/2010
* <a href="http://www.uncannyxmen.net/db/issues/showquestion.asp?fldAuto=940">http://www.uncannyxmen.net/db/issues/showquestion.asp?fldAuto=940</a> plot summary at uncannyxmen.net
* Chromium wraparound cover.
* Colossus and Shadowcat are mentioned but do not appear on panel. They make their proper debut in .
* This issue is reprinted in other comics and books, see references for more info.
Does it matter? What care I for the fate of the masses? Whether four or four billion fall in the days and weeks to come... the strongest - and the fittest - will survive.