in Flits Classics (Classics/Williams, 1969 series) #2609 (1970)
in The Flash Archives (DC, 1996 series) #3 ([January] 2002)
in Showcase Presents: The Flash (DC, 2007 series) #2 ([June] 2008)Pencil and ink credits confirmed from Julius Schwartz's editorial records, provided by DC Comics, August 2008.
in The Flash (DC, 1959 series) #178 (April-May 1968)
in 80 Page Giant (DC, 1964 series) #G46 (April-May 1968)
in Flits Classics (Classics/Williams, 1969 series) #2609 (1970), #2609 (1970), #2609 (1970)
in The Flash Archives (DC, 1996 series) #3 ([January] 2002)
in Showcase Presents: The Flash (DC, 2007 series) #2 ([June] 2008)First book-length story. Page count confirmed from Julius Schwartz's editorial records, provided by DC Comics, August 2008.