Enneagram of Personality (English Wikipedia)

"Page 569". in Ellis, Albert; Abrams, Mike; Dengelegi Abrams, Lidia (2008). "Religious, New Age, and Traditional Approaches to Personality". Personality theories: critical perspectives. SAGE. pp. 529–576. doi:10.4135/9781452231617.n17. ISBN 978-1-4129-7062-4. Ichazo has disowned Naranjo, Palmer and the other Jesuit writers on the Enneagram on the grounds that his descriptions of the nine types represent ego fixations that develop in early childhood in response to trauma.
Clarke, Peter (2004). Encyclopedia of new religious movements. Taylor & Francis. ISBN 0-203-48433-9.
Kemp, Daren (2004). New age: a guide : alternative spiritualities from Aquarian conspiracy to Next Age. Edinburgh University Press. ISBN 978-0-7486-1532-2.
Thyer, Dr Bruce A.; Pignotti, Monica (15 May 2015). Science and Pseudoscience in Social Work Practice. Springer Publishing Company. p. 49. ISBN 9780826177681.
"Page 64". in Thyer, Dr Bruce A.; Pignotti, Monica (2015). "Pseudoscience in Clinical Assessment". Science and Pseudoscience in Social Work Practice. pp. 33–74. doi:10.1891/9780826177698.0002. ISBN 978-0-8261-7768-1.
Carroll, Robert (11 January 2011). The Skeptic's Dictionary: A Collection of Strange Beliefs, Amusing Deceptions, and Dangerous Delusions. John Wiley & Sons. p. 306. ISBN 978-1-118-04563-3.
Richard Smoley, Jay Kinney (2006). Hidden Wisdom: A Guide to the Western Inner Traditions. Western Mystery Tradition Series (revised, illustrated ed.). Quest Books. p. 229. ISBN 978-0-8356-0844-2.

doi.org

"Page 569". in Ellis, Albert; Abrams, Mike; Dengelegi Abrams, Lidia (2008). "Religious, New Age, and Traditional Approaches to Personality". Personality theories: critical perspectives. SAGE. pp. 529–576. doi:10.4135/9781452231617.n17. ISBN 978-1-4129-7062-4. Ichazo has disowned Naranjo, Palmer and the other Jesuit writers on the Enneagram on the grounds that his descriptions of the nine types represent ego fixations that develop in early childhood in response to trauma.
Harmless, W.; Fitzgerald, R.R. (2001). "The saphhire light of the mind: The Skemmata of Evagrius Ponticus". Theological Studies. 62 (3): 498–529. doi:10.1177/004056390106200303. S2CID 170609824.
"Page 64". in Thyer, Dr Bruce A.; Pignotti, Monica (2015). "Pseudoscience in Clinical Assessment". Science and Pseudoscience in Social Work Practice. pp. 33–74. doi:10.1891/9780826177698.0002. ISBN 978-0-8261-7768-1.
Hook, Joshua N.; Hall, Todd W.; Davis, Don E.; Tongeren, Daryl R. Van; Conner, Mackenzie (2021). "The Enneagram: A systematic review of the literature and directions for future research". Journal of Clinical Psychology. 77 (4): 865–883. doi:10.1002/jclp.23097. ISSN 1097-4679. PMID 33332604. S2CID 229316947.

ed.gov

eric.ed.gov

Newgent, Rebecca A.; Parr, Patricia E.; Newman, Isadore (2002). The Enneagram: trends in validation. Fayetteville, Arkansas: University of Arkansas.

internationalenneagram.org

"International Enneagram Association - History". internationalenneagram.org. Archived from the original on 25 November 2012.

inverse.com

Sloat, Sarah (28 September 2020). "Why one popular personality test is "pseudoscientific at best"". Inverse. Retrieved 16 February 2021.

iranenneagram.ir

"Personality Differentiation of Identical Twins Reared Together" (PDF).

latimes.com

Gerber, Marisa (22 April 2020). "The Enneagram is having a moment. You can thank millennials". Los Angeles Times. Retrieved 21 October 2021.

natcath.org

"A brief Report on the Origins of the Enneagram", Draft from the U.S. bishops' Secretariat for Doctrine and Pastoral Practices, 10 October 2000, corrected 23 October 2001

newsweek.com

"To Find Self, Take A Number". Newsweek. 11 September 1994. Retrieved 9 July 2022.

nih.gov

pubmed.ncbi.nlm.nih.gov

Hook, Joshua N.; Hall, Todd W.; Davis, Don E.; Tongeren, Daryl R. Van; Conner, Mackenzie (2021). "The Enneagram: A systematic review of the literature and directions for future research". Journal of Clinical Psychology. 77 (4): 865–883. doi:10.1002/jclp.23097. ISSN 1097-4679. PMID 33332604. S2CID 229316947.

psychiatryonline.org

"The Enneagram: A Primer for Psychiatry Residents",American Journal of Psychiatry Residents' Journal, March 6, 2020, pp. 2–5.

rahul.net

"The Theory of Process and The Law of Seven". rahul.net.

researchgate.net

Newgent, Rebeca, Rebeca (January 2004), "The Riso-Hudson Enneagram Type Indicator: Estimates of Reliability and Validity", Measurement and Evaluation in Counseling and Development, vol. 36, pp. 226–237, retrieved 23 December 2010

semanticscholar.org

api.semanticscholar.org

Harmless, W.; Fitzgerald, R.R. (2001). "The saphhire light of the mind: The Skemmata of Evagrius Ponticus". Theological Studies. 62 (3): 498–529. doi:10.1177/004056390106200303. S2CID 170609824.
Hook, Joshua N.; Hall, Todd W.; Davis, Don E.; Tongeren, Daryl R. Van; Conner, Mackenzie (2021). "The Enneagram: A systematic review of the literature and directions for future research". Journal of Clinical Psychology. 77 (4): 865–883. doi:10.1002/jclp.23097. ISSN 1097-4679. PMID 33332604. S2CID 229316947.

thecareerproject.org

"Enneagram Archives". The Career Project. Retrieved 18 April 2023.

theologythinktank.com

Brandon Medina (17 April 2019). "The Enneagram - A History (Part 1)". Theology Think Tank. Retrieved 18 April 2023.

vatican.va

"Jesus Christ, the Bearer of the Water of Life. A Christian Reflection on the 'New Age'" Archived 1 October 2013 at the Wayback Machine, Pontifical Council for Culture, Pontifical Council for Interreligious Dialogue

web.archive.org

"International Enneagram Association - History". internationalenneagram.org. Archived from the original on 25 November 2012.
"The Instincts: Taking a Broader View" Archived 7 July 2011 at the Wayback Machine, by Mario Sikora, Enneagram Monthly, June 2007.
"Jesus Christ, the Bearer of the Water of Life. A Christian Reflection on the 'New Age'" Archived 1 October 2013 at the Wayback Machine, Pontifical Council for Culture, Pontifical Council for Interreligious Dialogue

wiktionary.org

en.wiktionary.org

(from the Greek words ἐννέα [ennéa, meaning "nine"] and γράμμα [grámma, meaning something "written" or "drawn") "Strong's Greek: 1121. γράμμα (gramma) -- that which is drawn or written, i.e. a letter". biblesuite.com.

wiley.com

onlinelibrary.wiley.com

Hook, Joshua N.; Hall, Todd W.; Davis, Don E.; Tongeren, Daryl R. Van; Conner, Mackenzie (2021). "The Enneagram: A systematic review of the literature and directions for future research". Journal of Clinical Psychology. 77 (4): 865–883. doi:10.1002/jclp.23097. ISSN 1097-4679. PMID 33332604. S2CID 229316947.

worldcat.org

Richard., Riso, Don (1995). Discovering your personality type : the new enneagram questionnnaire. Houghton Mifflin Co. OCLC 1033638302.{{cite book}}: CS1 maint: multiple names: authors list (link)
Giordano, Mary Ann Elizabeth; Piedmont, Ralph (2010). "A psychometric evaluation of the Riso-Hudson Type Indicator (RHETI), Version 2.5: Comparison of ipsative and non-ipsative versions and correlations with spiritual outcomes". ProQuest Dissertations and Theses. DAI-B 70/07. Baltimore, Maryland: Loyola College In Maryland: 4524. OCLC 463479495. Retrieved 27 December 2010.
Daniels, David (1998). Stanford Enneagram Discovery Inventory and Guide. Mind Garden. ISBN 9780966660104. OCLC 42860688.
Hook, Joshua N.; Hall, Todd W.; Davis, Don E.; Tongeren, Daryl R. Van; Conner, Mackenzie (2021). "The Enneagram: A systematic review of the literature and directions for future research". Journal of Clinical Psychology. 77 (4): 865–883. doi:10.1002/jclp.23097. ISSN 1097-4679. PMID 33332604. S2CID 229316947.