In American Christian Programmed Quaker Ecclesiology: A Foundational Model for Future Empirical and Confessional Approaches, Derek Brown argues that American Christian Programmed Quakerism has inherited a practical and pragmatic ecclesiology at the expense of an ontological understanding of the church. Inspired by the work of Gerben Heitink, Brown proposes a normative, deductive, ontological ecclesiology based on the biblical concept of koinonia,...