Recently, the Anglican Communion Institute published an article written by Mark McCall, a lawyer, entitled Is The Episcopal Church Hierarchical? You can read this article as a PDF file here.
There was an introduction to it on the ACI website titled Constitution And Canons: What Do They Tell Us About TEC?
A Response to Mark McCall’s “Is The Episcopal Church Hierarchical? has now been published by Joan Gunderson, a church historian in Pittsburgh. You can read that article as a PDF file here.
There is an introduction to it published by Progresssive Episcopalians of Pittsburgh and titled Historian Exposes Flaws in Argument That Episcopal Dioceses Are Independent.