Wallace, Daniel (2010). „1940s”. Ур.: Dolan, Hannah. DC Comics Year By Year A Visual Chronicle. Dorling Kindersley. стр. 31. ISBN978-0-7566-6742-9. „The first issue of Batman's self-titled comic written by Bill Finger and drawn by Bob Kane, represented a milestone in more ways than one. With Robin now a partner to the Caped Crusader, villains needed to rise to the challenge, and this issue introduced two future legends: the Joker and Catwoman.”