Uncanny X-Men (1981) #55
Published: 4/10/1969
- Vince Colletta, inker
- Sam Grainger, letterer
- Jean Simek, letterer
- Don Heck, penciller
- Werner Roth, penciller
- Stan Lee, editor
- Roy Thomas, writer
- Barry Windsor-Smith, penciller (cover)
Published: 4/10/1969