| Issue | #423 |
| Published | April 1973 |
| Frequency | monthly |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | Julius Schwartz; E. Nelson Bridwell (assistant editor) |
| Notes | Issue may contain the Mark Jewelers insert. |
| Characters | Superman; Lex Luthor |
| Genre | superhero |
| Pencils | Nick Cardy |
| Inks | Nick Cardy |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. [August 2007] |
| Characters | Lex Luthor; Superman; Lois Lane; Jimmy Olsen; Morgan Edge; Anton Falenni; Dr. Thames |
| Genre | superhero |
| Script | Cary Bates |
| Pencils | Curt Swan |
| Inks | Murphy Anderson |
| Reprinted | in Best of DC, The (DC, 1979 series) #27 |
| Characters | Human Target; Hyram Walsh; Dancer |
| Genre | superhero |
| Script | Len Wein |
| Pencils | Dick Giordano |
| Inks | Dick Giordano |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | in Läderlappen (Williams Förlags AB, 1969 series) #2/1974 |