Duncan, Graham A., Department of Church History and Church Polity, University of Pretoria, South Africa

• Vol 67, No 1 (2011) - Original Research - Special Collection: A.G.van Aarde Festschrift
  ‘Ever old and ever new, keep me travelling along with you’: 21st Century Notae Ecclesiae specifically necessary for churches in southern Africa
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• Vol 68, No 1 (2012) - Original Research - Special Collection: P.M. Venter Dedication
  ‘Quis custodiet ipsos custodes?’ (Juvenal Satires:§345) (Who guards [nurtures] the guardians?): Developing a constructivist approach to learning about ministerial and spiritual formation
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• Vol 69, No 1 (2013) - Original Research
  The ‘enemy within’ the post-Vatican II Roman Catholic Church
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• Vol 69, No 1 (2013) - Original Research - Special Collection: James Alfred Loader Dedication
  A Protestant perspective on Vatican II & 50 years: An engagement with dissent
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• Vol 72, No 4 (2016) - Original Research - Special Collection: UP Faculty of Theology Centenary Volume One
  Gateway to the future … oopmaak van die hekke … Transformation in the Faculty of Theology, University of Pretoria
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