1. “And the Sky Full of Stars.” Babylon 5, directed by Janet Greek, written by J. Michael Straczynski, season 1, episode 8, Babylonian Productions, Inc., 16 Mar. 1994.
2. “Babylon Squared.” Babylon 5, directed by Jim Johnston, written by J. Michael Straczynski, season 1, episode 20, Babylonian Productions, Inc., 10 Aug. 1994.
3. Autonomy, History and Political Freedom in Kant’s Political Philosophy.;Beck Gunnar;History of European Ideas,1999
4. “Believers.” Babylon 5, directed by Richard Compton, written by David Gerrold, season 1, episode 10, Babylonian Productions, Inc., 27 Apr. 1994.
5. Solar Accumulation: The Worlds-Systems Theory of The Expanse.;Bellamy Brent Ryan;Science Fiction Studies,2018