↑ McAvennie, Michael; Dolan, Hannah, ed. (2010). "1960s". DC Comics Year By Year A Visual Chronicle. Dorling Kindersley. p. 118. ISBN978-0-7566-6742-9. Poison Ivy first cropped up to plague Gotham City in issue #181 of Batman. Scripter Robert Kanigher and artist Sheldon Moldoff came up with a villain who would blossom into one of Batman's greatest foes.CS1 maint: extra text: authors list (link)
