in 80 Page Giant (DC, 1964 series) #1 (August 1964), #3 (September 1964), #3 (September 1964)
in Showcase Presents: Superman Family (DC, 2006 series) #2Inside front cover; published in cooperation with the National Social Welfare Assembly.
Also appears in DC comics cover-dated January 1966.
in Lois Lane Annual (DC, 1962 series) #2 (Summer 1963)
in Superman (Egmont Ehapa, 1966 series) #9/1967 (6.Mai 1967)
in Showcase Presents: Superman Family (DC, 2006 series) #2writer identification by Martin O'Hearn
house ad for The Flash (DC, 1959 series) #105 [first Silver Age issue], on sale December 23, 1958
in Lois Lane Annual (DC, 1962 series) #2 (Summer 1963)
in Superman's Girl Friend, Lois Lane (DC, 1958 series) #63 (February 1966)
in Superman's Girl Friend Lois Lane Archives (DC, 2011 series) #1 ([December] 2011)includes illustration of Noel Neill
writer identification by Martin O'Hearn; later confirmed by Alvin Schwartz
Letters submitted by Agnes Broadwin; Michael Prisament; Elleawease Murphy; Richard Coon; Jackson Denny; Ethel Guiness
in 80 Page Giant (DC, 1964 series) #3 (September 1964)
in Showcase Presents: Superman Family (DC, 2006 series) #2writer identification by Martin O'Hearn