McAvennie, Michael; Dolan, Hannah, ed. (2010). «1970s». DC Comics Year By Year A Visual Chronicle. London, United Kingdom: Dorling Kindersley. pp. 153. ISBN978-0-7566-6742-9. «Kirby had already introduced a similar concept and characters in Alarming Tales #1 (1957)...Coupling the premise with his unpublished "Kamandi of the Caves" newspaper strip, Kirby's Last Boy on Earth roamed a world that had been ravaged by the "Great Disaster" and taken over by talking animals.»
Renaud, Jeffrey (26 de agosto de 2009). «Wednesday Comics: Dave Gibbons». Comic Book Resources. Archivado desde el original el 9 de enero de 2010. Consultado el 27 de mayo de 2010.
Renaud, Jeffrey (26 de agosto de 2009). «Wednesday Comics: Dave Gibbons». Comic Book Resources. Archivado desde el original el 9 de enero de 2010. Consultado el 27 de mayo de 2010.