Hidden in Plain Sight: Observations on the Origins of the Enneagram

Erratum: The article "Hidden in Plain Sight: Observations on the Origin of the Enneagram" by Virginia Wiltse and Helen Palmer was first published in the 2009 edition of the Enneagram Journal. At the time of publication, we were already aware of a problem with the article, so the Journal was issued with an erratum page that contained Fig. 1 [...]