Chris Hables Gray The Cyborg Handbook (Routledge, 1995)

David Pringle (ed.) The Ultimate Encyclopedia of Science Fiction (Carlton Books Ltd., 2nd edition, 1997)

Immanuel Kant Foundations for the Metaphysics of Morals (Bobbs-Merill, 1969)

Judith B. Kerman (ed.) Retrofitting Blade Runner : Issues in Ridley Scott’s Blade Runner and Philip K. Dick’s Do Androids Dream of Electric Sheep? (Bowling Green State University Popular Press, 2nd edition, 1997)

Lawrence Sustin Devine Invasions : A Life of Philip K. Dick (Harmony Books, 1989)

Paul M. Sammon Future Noir : The Making of Blade Runner (Orion Media, 1996)

Phil Hardy (ed.) The Aurum Film Encyclopedia : Science Fiction (Aurum Press, 4th edition, 1995)

Philip K. Dick A Scanner Darkly (Vintage Books, 1991)

____ Do Androids Dream of Electric Sheep? (Harper Collins, 13th edition, 1993)

____ Flow My Tears the Policeman Said (Readers Union Group of Bookclubs, 2nd edition, 1975)

____ Martian Time Slip (Vintage Books, 1995)

____ Time out of Joint (Carroll & Graf, 1987)

____ We Can Build You (Vintage Books, 1994)

____ We Can Rembember It For You Wholesale (Carol Publishing Corporation, 1990)