| Issue | #320 |
| Published | January 1965 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman; Atlas; Samson; Hercules |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | George Klein |
| Characters | Superman; Atlas; Samson; Hercules; Lois Lane; Jimmy Olsen; Fortress of Solitude; Kandor |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Curt Swan (splash); Al Plastino |
| Inks | George Klein (splash); Al Plastino |
| Notes | Al Plastino added as penciller. All the artwork for the story except the splash page was by Al Plastino. Inker change: Bernard Klein -> George Klein. Info by Bob Bailey, 2004-12-29. (Per Sandell ed.) |
| Characters | Supergirl; Randor (death); Lord Bronar (villain); Skoll (villain); Kandor; Zor-El; Allura; Green Kryptonite |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | in Showcase Presents: Supergirl (DC, 2007 series) #2 |