| Issue | #48 |
| Published | August-September 1949 |
| Cover Price | 0.10 |
| Pages | 52 |
| Editing | Whitney Ellsworth |
| Notes | Pencil credit revised by Craig Delich [formerly credited to Arthur Peddy] and verified by Irwin Hasen himself (October 30, 2005). Ink credit verified from Craig Delich (April 30, 2004). |
| Characters | Flash [Jay Garrick]; Wonder Woman [Earth-2]; Green Lantern [Alan Scott]; Hawkman [Carter Hall] (all as the Justice Society of America/JSA) |
| Genre | Superhero |
| Pencils | Irwin Hasen |
| Inks | Bernard Sachs |
| Notes | Pencil credit revised by Craig Delich [formerly credited to Arthur Peddy] and verified by Irwin Hasen himself (October 30, 2005). Ink credit verified from Craig Delich (April 30, 2004). |
| Reprinted | in All Star Comics Archives (DC, 1991 series) #10 |
| Characters | Green Lantern [Alan Scott]; Hawkman [Carter Hall]; Wonder Woman [Earth-2]; Flash [Jay Garrick]; Black Canary; Dr. Mid-Nite; Atom [Al Pratt] (all as the Justice Society of America/JSA); Edmund Blake |
| Genre | superhero |
| Script | John Broome |
| Pencils | Irwin Hasen (splash also) |
| Inks | Bernard Sachs (splash also) |
| Notes | Artist revisions by Craig Delich (Jan. 2006). Pencil splash credit formerly given to Arthur F. Peddy, and ink splash credit formerly given to Bob Oksner. |
| Reprinted | in All Star Comics Archives (DC, 1991 series) #10 |
| Characters | Wonder Woman [Earth-2]; Black Canary; Hawkman [Carter Hall]; Atom [Al Pratt]; Green Lantern [Alan Scott]; Dr. Mid-Nite; Flash [Jay Garrick] (cameo) (all as the Justice Society of America/JSA); Edmund Blake |
| Genre | superhero |
| Script | John Broome |
| Pencils | Arthur F. Peddy |
| Inks | Bernard Sachs |
| Reprinted | in All Star Comics Archives (DC, 1991 series) #10 |
| Characters | Flash [Jay Garrick]; Green Lantern [Alan Scott]; Atom [Al Pratt]; Dr. Mid-Nite; Black Canary; Wonder Woman [Earth-2]; Hawkman [Carter Hall] (all as the Justice Society of America/JSA); Edmund Blake |
| Genre | superhero |
| Script | John Broome |
| Pencils | Arthur F. Peddy |
| Inks | Bernard Sachs |
| Reprinted | in All Star Comics Archives (DC, 1991 series) #10 |
| Characters | Flash [Jay Garrick]; Green Lantern [Alan Scott] |
| Synopsis | Green Lantern explains the principles behind how an electric motor works, while the Flash explains how readers can draw mysterious and beautiful pictures by the use of vibrations only. |
| Genre | Fact |
| Pencils | Arthur F. Peddy (Green Lantern); Irwin Hasen (Flash) |
| Inks | Bernard Sachs (Green Lantern); Bob Oksner (Flash) |
| Notes | This filler is NOT found in the Archives. Art credits by Craig Delich (Jan. 2006). |
| Genre | fact |
| Pencils | Martin Naydel (signed) |
| Inks | Martin Naydel (signed) |
| Notes | This filler is NOT found in the Archive. |
| Genre | western |
| Script | William Irwin (signed) |
| Letters | typeset |
| Notes | This text story is NOT found in the Archive. |
| Characters | Johnny Peril |
| Genre | fantasy |
| Pencils | Howard Purcell |
| Inks | John Celardo |
| Notes | Ink credit from Craig Delich (April 30, 2004). Ink credit originally given to: Howard Purcell. This story is NOT found in the Archive. |
| Characters | Superman [Earth-2] |
| Genre | superhero |
| Script | Jack Schiff |
| Pencils | Win Mortimer |
| Inks | Stan Kaye |
| Letters | Ira Schnapp |
| Notes | This PSA was NOT reprinted in the Archive. |