Inside front cover.
Writer credit from Martin O'Hearn at http://martinohearn.blogspot.com/. Formerly credited to Jack Miller.
house ad for Showcase (DC, 1956 series) #55
Writer credit determined by textual analysis by Lou Mougin.
Published in cooperation with the National Social Welfare Assembly.
house ad for 80 Page Giant (DC, 1964 series) #9
Writer credit determined by textual analysis by Lou Mougin.
Inside back cover.