in Lynvingen (Se-Bladene, 1966 series) #11/1968 ([november] 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 Supacomic (K. G. Murray, 1959 series) #100 (Circa December 1967)
in Lynvingen (Se-Bladene, 1966 series) #11/1968 ([november] 1968)
in Showcase Presents Batman (DC, 2006 series) #3 ([July] 2008)Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
in Showcase Presents The Elongated Man (DC, 2006 series) #1 ([July] 2006)Credits for script, pencils, inks and letters confirmed from Julius Schwartz's editorial records, provided by DC Comics.
Credits from a list by Lionel English.