On-sale date from copyright registration.
in Batman (Editorial Novaro, 1954 series) #316 (31 de marzo de 1966)
in Almanaque de Batman (Editora Brasil-América [EBAL], 1964 series) #[1974] (1974) [preto e branco, traduzida]
in The Batman Family (DC, 1975 series) #4 (March-April 1976)
in Showcase Presents the Elongated Man (DC, 2006 series) #1 ([September] 2006)
in Showcase Presents: Batman (DC, 2006 series) #2 ([August] 2007)
in Tales of the Batman: Carmine Infantino (DC, 2014 series) ([July] 2014)Story across 24 pages in three parts of 9.67, 7.67, and 5.67.
Credits from a list by Lionel English.
On the page immediately following page 7 of the main story sequence.
Letters of comment from Joel Pollack, Michael Kennedy and Raymond Ticken.
On the page immediately following page 18 of the main story sequence.