(1) Essays, Comments, and Reviews William James ISBN: 9780674265523 Harvard University Press View at publisher
(2) Parallel Distributed Processing: Explorations in the Microstructure of Cognition by David E. Rumelhart, James L. McClelland and PDP Research Group ISBN: 9780262631105 MIT Press View at publisher
(3) Neuromodulation: The Biochemical Control of Neuronal Excitability Leonard K. Kaczmarek; Irwin B. Levitan ISBN: 9780195040975 Oxford University Press View at publisher
(4) The Existential Self in Society Kotarba, Joseph A. ISBN: 9780226451411 University of Chicago Press View at publisher