Superman DC National Comics
in Cuentos de Misterio (Editorial Novaro, 1960 series) #110 (15 de mayo de 1967)
in Showcase Presents: Hawkman (DC, 2007 series) #2 ([September] 2008) [black and white]
in Showcase Presents: Hawkman (DC, 2007 series) #2 ([September] 2008) [black and white]
in DC Goes Ape (DC, 2008 series) #1 ([December] 2008)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Story across 24 pages in three parts of 5.67, 9.67, and 7.67 pages.
Letters submitted by Irene Vartanoff, Robert Kowalski, Dan Fitzgerald, and Guy H. Lillian III.