| Issue | #373 |
| Published | March 1969 |
| Cover Price | 0.25 USD |
| Pages | 68 |
| Editing | Mort Weisinger |
| Notes | also 68 Page Giant #G-57 |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Neal Adams |
| Notes | also 68 Page Giant #G-57 |
| Reprinted | in Superman Family, The (DC, 1974 series) #168 |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #277 (June 1961) |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #291 (August 1962) |
| Genre | superhero |
| Script | Otto Binder |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Reprinted | from Action Comics (DC, 1938 series) #258 (November 1959) |
| Characters | Superman; Supergirl (guest star); Green Kryptonite; Kandor; The Supermen Emergency Squad; Lois Lane; Fortress of Solitude; The Anti-Superman Gang (villains); John Kiley |
| Synopsis | John Kiley tricks Superman into revealing he's Clark Kent. After trapping Clark Kent with Kryptonite, Supergirl and the Superman Emergency Squad spring into action. |
| Genre | superhero |
| Script | Robert Bernstein |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Notes | crossover with Supergirl |
| Reprinted | From Action Comics (DC 1938 series) #276 (May 1961) |
| Characters | Supergirl; Legion of Super-Heroes [Cosmic Boy; Lightning Lad; Saturn Girl; Sun Boy; Bouncing Boy; Brainiac 5]; Whizzy (first appearance) |
| Synopsis | Supergirl helps out Legionnaires; then defeats Chameleon Men imposters |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Jim Mooney |
| Inks | Jim Mooney |
| Letters | Milton Snapinn |
| Notes | original page 2 deleted |
| Reprinted | from Action Comics (DC, 1938 series) #287 (April 1962) |