Download Action Comics #298
Script: Leo Dorfman
Pencils: Jim Mooney
Inks: Jim Mooney
Characters: Legion of Super-Heroes [Cosmic Boy (cameo); Saturn Girl (cameo); Lightning Lad (cameo)]; Supergirl [Linda Danvers]; Lex Luthor; Superman [Clark Kent]; Superman Robots; Phantom Zone; Lori Lemaris (cameo); Superman Museum; Gold Kryptonite; Kru-El; General Zod; Jax-Ur ?; Kandor; Fortress of Solitude; Lena Thorul.
- in Super DC Giant (DC, 1970 series) #S-24 (May-June 1971)
- in Showcase Presents: Supergirl (DC, 2007 series) #2.