| Issue | #399 |
| Published | April 1971 |
| Cover Price | 0.15 |
| Pages | 36 |
| Editing | Murray Boltinoff |
| Characters | Superman |
| Genre | Super-hero |
| Pencils | Neal Adams |
| Inks | Dick Giordano |
| Reprinted | in Superman From the Thirties to the Eighties (Crown Publishers, Inc., 1983 series) #nn |
| Characters | Superman (brief origin); George Washington; Abraham Lincoln; George Custer |
| Genre | Super-hero |
| Script | Leo Dorfman |
| Pencils | Curt Swan |
| Inks | Murphy Anderson |
| Notes | Parallel Earth story. |
| Reprinted | in Best of DC, The (DC, 1979 series) #12; in Superman from the Thirties to the Seventies (Crown Publishers, Inc., 1971 series) #nn (1971); in Superman from the Thirties to the Eighties (Crown Publishers, Inc., 1983 series) #nn (1983); in Supermann (Williams Forlag A/S, 1969 series) #11/1971 |
| Characters | Superbaby; Jonathan Kent; Martha Kent |
| Genre | Super-hero |
| Script | Leo Dorfman [as Geoff Brown] |
| Pencils | Curt Swan |
| Inks | Murphy Anderson |
| Letters | typeset |
| Editing | Murray Boltinoff |