Bowman, William J. 1968. Graphic Communication. New York: John Wiley & Sons, Inc.
Casey, E.S. 1976. Imagining: A Phenomenological Study. Bloomington: Indiana University Press.
Casey, E.S. 2003. Imagination, fantasy, hallucination, and memory. In Imagination and Its Pathologies, J. Phillips and J. Morley, eds. pp. 65-91. Cambridge, Massachusetts: MIT Press.
Chamberlin, T.C. 1890. The method of multiple working hypotheses. Science (old series) 15: 92-96. Reprinted 1965 in Science (New Series) 148: 754-759.
De Bono, Edward. 1990a. Lateral Thinking: A Textbook of Creativity. London: Penguin Books. [First published in 1970.]
De Bono, Edward. 1990b. Six Thinking Hats. London: Penguin Books. [First published in 1985.]
Derrida, Jacques. 1986 (1974). Glas. (Translated from the French by John P. Leavey and Richard Rand.) Lincoln: University of Nebraska Press.
Eisner, Will. 2008 (Rev. ed. of 1985 edition). Comics and Sequential Art. New York: W.W. Norton & Co.
Gardner, Howard. 1980. Artful Scribbles. New York?: Basic Books (HarperCollins).
George, M. Dorothy. 1967. Hogarth to Cruikshank: Social Change in Graphic Satire. New York. Walker and Company.
Kohn, David. 1987. Notebook B (transcription and editorial notes by D. Kohn). In Charles Darwin’s Notebooks, 1836-1844, transcribed and edited by P. H. Barrett, et al., pp. 167-236. Ithaca: Cornell University Press.
Kunzle, David. 1973. The Early Comic Strip: Narrative Strips and Picture Stories in the European Broadsheet from c.1450 to 1825. Berkeley: University of California Press.
Kunzle, David. 2007. Roldophe Töpffer: The Complete Comic Strips. Jackson: University Press of Mississippi.
Lock, A., and C.R. Peters (Editors). 1996. Handbook of Human Symbolic Evolution. Oxford: Oxford University Press (Clarendon Edition). [Reprinted in 1999 by Blackwell Publishers, Oxford.]
McCloud, Scott. 1993. Understanding Comics: The Invisible Art. Northampton, Massachusetts: Kitchen Sink Press.
McCloud, Scott. 2000. Reinventing Comics. New York: Paradox Press.
Odum, H.T. 1983. Systems Ecology: An Introduction. New York: John Wiley & Sons, Inc.
Tedlock, D. 1996 (1985). Popol Vuh; The Mayan Book of the Dawn of Life. Revised Edition. Translation and Commentary by Dennis Tedlock. New York: Touchstone (Simon & Schuster).
Thé, Erik. 2000. The Magic of M.C. Escher. (Translated from the Dutch by Marjolijn de Jager.) New York: Harry N. Abrams, Inc.
