Average # copies per issue, previous year - 404,339.
in Superman (Egmont Ehapa, 1966 series) #6/1968 (23.März 1968)
in Lynvingen (Se-Bladene, 1966 series) #10/1968 ([oktober] 1968)
in Showcase Presents Batman (DC, 2006 series) #3 ([July] 2008)Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (October 2007).
in Superman (Egmont Ehapa, 1966 series) #6/1968 (23.März 1968)
in Showcase Presents Batman (DC, 2006 series) #3 ([July] 2008)Credits for script and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics. Records show that Bob Kane was paid for the pencils, but scholars agree that pencils were actually by Moldoff.
'Peace on Earth' in 37 different languages.
Letters of comment from R. L. Thomas, Dave Singer, Sal Iacopelli and Bob Butts.
in Showcase Presents The Elongated Man (DC, 2006 series) #1 ([July] 2006)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Letters of comment from Paul Seydor, Tom Tanner and Laurie Sutton.