- Script
- Paul Kupperberg
- Pencils
- Eduardo Barreto
- Inks
- Eduardo Barreto
- Colors
- Gene D'Angelo
- Letters
- Ben Oda
- Job Number
- S-4152
- Genre
- superhero
- Characters
- Superman; Josh Coyle; Lana Lang; Kryptonite Man (villain)
- Reprints
- Keywords
- green kryptonite; Krypton
Story continues in Supergirl (DC, 1983 series) #21 (July 1984).
- Script
- Bob Rozakis
- Pencils
- José Luis García-López
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Job Number
- S-4389
Letters of comment from David Parrella, C.C.L., Peter Ho, Ivan Cohen, Jeffrey Lowndes, Andrew Gold, Charles D. Brown, Jim Toste, and Andrew MacLaney.