Zeit, 1995 See also Perspective Spiral Dynamics Fowler's stages of faith development Integral Theory Notes References Web-references Sources {{Citation|last=Mickunas |first=Algis |year=1997 |title=An Introduction to the Philosophy of Jean Gebser. In: Integrative Investigations, January 1997, Volume 4 Number 1. Pages 8-21 |url=http://www.gebser.org/download/IEX/IEXvol4.pdf }} Further reading English Georg Feuerstein (1987), Structures of Consciousness: The Genius of Jean Gebser: An Introduction and Critique Georg Feuerstein (1989), Jean Gebser: What Color Is Your Consciousness Eric Mark Kramer (1992)Consciousness and Culture: An Introduction to the Thought of Jean Gebser (Contributions in Sociology) Eric Mark Kramer, Clark Callahan, S. David Zuckerman (2013). "Intercultural Communication and Global Integration" Dubuque, IA: Kendall-Hunt German Joachim Illies (1975), Adolf Portmann, Jean Gebser, Johann Jakob Bachofen: Drei Kulturforscher, drei Bilder vom Menschen (Texte, Thesen ; 67) Ursula Assing-Grosch (1993), Das schwierige Kind: Jean Gebsers Bewusstseinsphänomenologie in der kinder- und jugendpsychiatrischen Praxis (Reihe Psychologie) Elmar Schübl (2003), Jean Gebser (1905 - 1973)'' External links The Jean Gebser Society Gebser Online An Overview of the work of Jean Gebser Allan Combs: Inner and Outer Realities: - Jean Gebser in a Cultural-Historical Perspective Steven Swanson, "The Integral and the Spiritual in Ken Wilber and Jean Gebser". The Journal of Yoga, September 2002 (pdf) Aaron Cheak, "From Poetry to Kulturphilosophie: A Philosophical Biography of Jean Gebser with Critical Translations" 1905 births 1973 deaths Writers from Poznań People from the Province of Posen Stage theories German emigrants to Switzerland People from Bern