Julius Schwartz's editorial records, provided by DC Comics, credit inks to "Andru."
Inside front cover.
Page count confirmed from Julius Schwartz's editorial records, provided by DC Comics. In three chapters of 5.67, 5.67, and 2.67 pages.
On the bottom of page 6 of the previous story sequence.
House ad for Showcase # 36. On the page immediately following page 6 of the previous story sequence.
On the page immediately preceding page 7 of the previous story sequence.
At the bottom of page 12 of the previous story sequence.
On the page between page 12 and page 13 of the previous story sequence.
On the page between page 12 and page 13 of the previous story sequence.
Page count confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Inside back cover.