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 K. Dick: Authenticity and Insincerity," in Science Fiction Studies, Volume 15, No.2, July, 1988, pp. 152-60.

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