Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. The records also indicate that Dick Dillin and Joe Giella prepared an unused cover for #66, which appeared in The Amazing World of DC Comics (DC, 1974 series) #14 (added by Gregory Fischer, May 2009).
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (May 2007).
letters submitted by Peter Sanderson Jr.; Joe Arul; V. O. Speights; Joe Straczynski; Dave Truesdale
house ad for Justice League of America (DC, 1960 series) #67 [80 Page Giant #G-53]
house ad for Showcase (DC, 1956 series) #78 [first Jonny Double]
house ad for Angel and the Ape (DC, 1968 series) #1
letters submitted by Charles T. Smith; Frank Muchensturm; Dave Truesdale
inside back cover; house ad for World's Finest Comics (DC, 1941 series) #180, and Superman (DC, 1939 series) #211