in Mighty Comic (K. G. Murray, 1960 series) #74
in Justice League of America Archives (DC, 1992 series) #8 ([June] 2003)
in Crisis on Multiple Earths (DC, 2002 series) #2 ([December] 2003)
in Showcase Presents: Justice League of America (DC, 2005 series) #4 ([May] 2009)
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in Crisis on Multiple Earths (DC, 2021 series) #1 - Crossing Over (2020 [April 2021])
in DC Finest: Justice League of America: The Bridge Between Earths (DC, 2024 series) (2024 [January 2025])Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Inks originally credited to Joe Giella.
On-sale date from copyright registration.
| Script: | Gardner Fox (credited) |
| Pencils: | Dick Dillin (credited) |
| Inks: | Sid Greene (credited) |
| Colors: | ? |
| Letters: |

in Justice League of America Archives (DC, 1992 series) #8 ([June] 2003)
in Crisis on Multiple Earths (DC, 2002 series) #2 ([December] 2003)
in Showcase Presents: Justice League of America (DC, 2005 series) #4 ([May] 2009)
in Justice League of America: The Silver Age Omnibus (DC, 2016 series) #2 ([August] 2016)
in Crisis on Multiple Earths (DC, 2021 series) #1 - Crossing Over (2020 [April 2021])
in DC Finest: Justice League of America: The Bridge Between Earths (DC, 2024 series) (2024 [January 2025])Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Page 6 is a 2/3-page and page 16 is a 1/2-page.
Story continues in issue #65.
letters submitted by Martin Pasko (later reprinted in Crisis on Multiple Earths #2); David Lewin; Peter Sanderson Jr.; Bob Rozakis; Paul Nussbaum