McAvennie, Michael (2010). DC Comics Year By Year A Visual Chronicle(en inglés). Dorling Kindersley. pp. 102. ISBN978-0-7566-6742-9. Consultado el 10 de julio de 2014. «DC's... renaissance soared to new heights with the return of Hawkman and Hawkgirl. Writer Gardner Fox and artist Joe Kubert...ushered in a pair of Winged Wonders that, costumes aside, were radically different from their Golden Age predecessors.»
Cowsill, Alan (2010). DC Comics Year By Year A Visual Chronicle(en inglés). Dorling Kindersley. pp. 314. ISBN978-0-7566-6742-9. Consultado el 10 de julio de 2014. «When DC Comics' icon Julius Schwartz sadly passed away in February 2004, some kind of major tribute was required...To celebrate his life, DC revived the DC Comics Presents series, producing eight one-shots in which DC writers and artists put their own twists on covers inspired by Schwartz and reimagined classic Silver Age stories.»