| Issue | #311 |
| Published | April 1964 |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Mort Weisinger |
| Characters | Superman |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Shelly Moldoff |
| Characters | Superman (split into Superman and Clark Kent); Lois Lane; Fortress of Solitude; Red Kryptonite; Kandor; Gold Kryptonite; Green Kryptonite; Jimmy Olsen; Perry White |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Curt Swan |
| Inks | George Klein |
| Notes | Story continues in Action Comics #312. Script added by Bob Bailey, 2005-03-19 (Per Sandell ed.) Author credits from Action Comics #316 lettercolumn, originally listed as Robert Bernstein, corrected by Jim Walker, Jan. 2010 |
| Characters | Supergirl; Comet the Super-Horse (also as "Bronco Bill" Starr); Superman (as Clark Kent, cameo); Perry White (cameo); Lois Lane (cameo); Dick Malverne; Sandy Powers; Fortress of Solitude; Jerro; Circe; The Hooded Demon (villain) |
| Genre | superhero |
| Script | Leo Dorfman |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | in Adventure Comics (DC, 1938 series) #390 (March 1970) [title changed to "Supergirl's Cowboy Hero"]; in Showcase Presents: Supergirl (DC, 2007 series) #2 |