Also designated on cover as Giant (DC, 1969 series) #G-77 and as G-77 on indicia page. Bridwell editor credit per indicia and letters page. Previous indexer credited Julie Schwartz.
Swan pencils per Nick Caputo, noting in particular Felix Faust's face and the Flash and Batman's poses. Murphy Anderson was erroneously credited in “The Justice League Reader” (Gruenwald 1977), published in Amazing World of DC Comics #14.
Inker credit per original publication. Previous indexers credited Carmine Infantino and Bernard Sachs.
letters submitted by Alan Brennert; Leon Dornbaum; Gregory Kent; Jerry Wilson