- Script
- Paul Kupperberg
- Pencils
- Curt Swan
- Inks
- Dave Hunt (credited)
- Colors
- Gene D'Angelo
- Letters
- Ben Oda
- Job Number
- S-4504
- Genre
- superhero
- Characters
- Legion of Super-Heroes [Ultra Boy; Shrinking Violet; Chameleon Boy; Phantom Girl; Element Lad]; Superman; Brainiac (villain); Gus
- Reprints
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script
- Bob Rozakis
- Pencils
- José Luis García-López (title header)
- Inks
- ? (title header)
- Colors
- ? (title header)
- Letters
- typeset
- Job Number
- S-4571
- Characters
- Superman
Letters of comment from Neil Ahlquist, Dale Coe, Michael Pickens, Kevin Lawless, John Henry Sain, Charles D. Brown, Jeffrey Lowndes, and Charles David Haskell.