Philip K. Dick, "Notes on Do Androids Dream of Electric Sheep ? (1968)," in The Shifting Realities of Philip K Dick, Pantheon Books, 1995, pp. 155-161.
These are the ideas Dick had early after the book was published regarding how to adapt it for a movie.
Kenneth M. Ford, Clark Glymour, and Patrick J. Hayes, editors, Android Epistemology, MIT Press, 1995.
A good introduction to the state of android technology today and where It is headed.
Carl Freedman, "Towards a Theory of Paranoia. The science fiction of Philip K Dick," in Science-Fiction Studies, Volume 11, No.1, March, 1984, pp. 15-22.
This scholarly work looks at characters from several of Dick's novels, including Do Androids Dream of Electric Sheep?, to put together a theory of the human condition that is constant throughout Dick's works.
John Huntington, "Philip.....
