in Supermann (Illustrerte Klassikere / Williams Forlag, 1969 series) #16/1969 ([november] 1969) [edited reprint]
in Batman (Editorial Novaro, 1954 series) #553 (15 de octubre de 1970)
in Justice League of America Archives (DC, 1992 series) #9 (2004 [February 2005]), #9 (2004 [February 2005])
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 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.
On-sale date from copyright registration.
| Script: | Denny O'Neil (credited) |
| Pencils: | Dick Dillin (credited) |
| Inks: | Sid Greene (credited) |
| Colors: | ? |
| Letters: | ? |

in Supermann (Illustrerte Klassikere / Williams Forlag, 1969 series) #16/1969 ([november] 1969)
in Justice League of America Archives (DC, 1992 series) #9 (2004 [February 2005])
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 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.
Story across 23 pages, but pages 8 and 23 are 2/3-pages and page 12 is a 1/2-page.
| Script: | |
| Pencils: | Dick Sprang ? (illustration) |
| Inks: | Dick Sprang ? (illustration) |
| Colors: | ? (illustration) |
| Letters: | typeset |
letters submitted by Jim Vlcko; Gordon Flagg Jr.; Paul Nussbaum; John D. Taylor; Joe Rusnak