| Issue | #314 |
| Published | July 1964 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman/The Flash |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Sheldon Moldoff |
| Characters | Superman; Green Arrow; The Flash [Barry Allen]; The Atom [Ray Palmer]; Aquaman; Batman (all as the Justice League of America); Topo; Jor-El (flashback); Lara (flashback); Zhan-Zar |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Al Plastino |
| Inks | Al Plastino |
| Reprinted | in Best of DC, The (DC, 1979 series) #8 [as "The Five Other Identities of Superman"] |
| Genre | gag |
| Script | Henry Boltinoff |
| Pencils | Henry Boltinoff |
| Inks | Henry Boltinoff |
| Letters | Henry Boltinoff |
| Characters | Supergirl (origin); Zor-El; Allura; Fred Danvers; Edna Danvers; Kandor; Comet the Super-Horse (flashback); Superman's Fortress of Solitude; Supergirl Robots; Supergirl's Fortress of Solitude; The Supergirl Emergency Squad; Dar-Lin |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Notes | This story does not reprint Action 252. Bogus reprint information deleted thanks to Allen Ross 10/05. |
| Reprinted | in Showcase Presents: Supergirl (DC, 2007 series) #2 |