Dick's Maledictory Lives
Philip K. Dick's Robots
PKD's Man in the High Castle and the Nature of Science Fictional Worlds
P.K. Dick , A Visionary Among The Charlatans

This World and Nearer Ones by Brian Aldiss (1979)

The Cybernetic Imagination in SF by Patricia Warrick (1980)

Bridges To Science Ficition, G.E. Slusser, G.R. Guffey, M. Rose eds. (1980) Microworlds by Stanislaw Lem (1984)
Science Fiction: Philip K. Dick by Sam Hunting
Philip K. Dick's Opus: Artifice As Refuge and World View
The Transmorgification of Philip K. Dick
Was Philip K Dick Possesed By An Angel

Popular Culture in America, P. Buhle Ed. (1987)

Positions and Presuppositions in SF by Darko Suvin (1988)

Science Fiction in the Real World by Norman Spinrad (1990)

Unsolved Mysteries Past And Present by Colin Wilson (1992)
The Schizoculture of Philip K. Dick, Ubik and The Reality Fix
Haunted by P.K. Dick
About Martian Time-Slip

Terminal Identity: The Virtual Subject in Postmodern SF by S. Bukatman (1993)

Seek by Rudy Rucker (1999) 20th Century Gretaest Hits by Paul Williiams (2000)