bibliography
- "Season 6." Smallville. The CW, The WB: . Television.
- Fortress of solitude. N.d. Photograph. http://superman.wikia.com/Web. 23 Jan 2014. <http://superman.wikia.com/wiki/The_Fortress_of_Solitude>.
- Man of Steel. Dir. Snyder Zack . 2013. Film. 23 Jan 2014.
- superman return . Bryan Singer, 2006. Film. 23 Jan 2014.
- Dan Jurgens; Louise Simonson; Roger Stern, . Death of Superman Graphic Novel. DC Comics, 1992. Print.
- Scott Snyder, . Superman Unchained Series. DC Comics, 2013-2014. Print.
- Mark Millar, Superman: Red Son. DC Comics, Print.
- Otto Binder & Al Plastino, . Superman and Brainiac. DC Comics, 1958. Print.