Cover credits from reprint in Adventures of Superman: José Luis García-López (DC, 2013 series) #2.
Publication data page with illustration taken from the story from Action Comics (DC, 1938 series) #544.
Title presented entirely in lower-case letters.
Job number and page count confirmed from Julius Schwartz's editorial records, provided by DC Comics March, 2007.
Credits acknowledge special thanks to Tom Christopher.
Illustration taken from the story from Superman (DC, 1987 series) #131.
On the back cover. All letters of the title presented in lower-case.