Darwin, Charles, and David Quammen. On the Origin of Species. New York: Sterling, 2008. Print.
Einstein, Albert, and Robert W. Lawson. Relativity; the Special and General Theory,. New York: Hartsdale House, 1947. Print.
Freud, Sigmund. Beyond the Pleasure Principle; Trans. by C. J. M. Hubback. London, Vienna: International Psycho-Analytical, 1922; Bartleby.com, 2010.
Novella, Steven. "Science-Based Medicine » Minimally Conscious vs Persistent Vegetative State."Science-Based Medicine. Science-Based Medicine, 22 July 2009. Web. _______Apr. 2011. <http://www.sciencebasedmedicine.org/?p=568>.
Shelley, Mary Wollstonecraft. "Frankenstein: Or, The Modern Prometheus." Google Books. Web. 12 Mar. 2011. <http://books.google.com/books? _______id=5twBAAAAQAAJ&printsec=frontcover&dq=frankenstein&hl=en&ei=7xd-
_______TZ7MEsi3tgfo3ZG6BQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCwQ6AEwAA#v=twopage&q&f=false>.
Singer, Peter. Writings on an Ethical Life. New York: Ecco, 2000. Print.
Einstein, Albert, and Robert W. Lawson. Relativity; the Special and General Theory,. New York: Hartsdale House, 1947. Print.
Freud, Sigmund. Beyond the Pleasure Principle; Trans. by C. J. M. Hubback. London, Vienna: International Psycho-Analytical, 1922; Bartleby.com, 2010.
Novella, Steven. "Science-Based Medicine » Minimally Conscious vs Persistent Vegetative State."Science-Based Medicine. Science-Based Medicine, 22 July 2009. Web. _______Apr. 2011. <http://www.sciencebasedmedicine.org/?p=568>.
Shelley, Mary Wollstonecraft. "Frankenstein: Or, The Modern Prometheus." Google Books. Web. 12 Mar. 2011. <http://books.google.com/books? _______id=5twBAAAAQAAJ&printsec=frontcover&dq=frankenstein&hl=en&ei=7xd-
_______TZ7MEsi3tgfo3ZG6BQ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCwQ6AEwAA#v=twopage&q&f=false>.
Singer, Peter. Writings on an Ethical Life. New York: Ecco, 2000. Print.
