Classic X-Men, Vol. 1 # 04 Page 21, illustrated by John Bolton, with Letters by Tom Orzechowski, Colors by Glynis Oliver, and a Script by Chris Claremont that was edited by Ann Nocenti.
Marvel Super Hero Portfolios: The Uncanny X-Men Portfolio (1980) Plate 04 | Professor Xavier’s School For Gifted Youngsters – Revisited Art by John Byrne
