McAvennie, Michael; Dolan, Hannah, ed. (2010). «1960s». DC Comics Year By Year A Visual Chronicle. Dorling Kindersley. p. 130. ISBN978-0-7566-6742-9. «[E. Nelson Bridwell] and artist Bob Oksner injected pretty primitive humor into the classic 'beauty and the beast' concept when they opened the O'Day and Simeon Detective Agency for business.»