| ’African Churches Willing to Pay Their Own Bills’: The Role of Money in the Formation of Ethiopian-type Churches with Particular Reference to the Mzimba Secession GA Duncan African Historical Review 45 (2), 52-79, 2013 | 11 | 2013 |
| ‘COERCIVE AGENCY’ JHS LOVEDALE, GA DUNCAN | | 2000 |
| 'Coercive agency': James Henderson's Lovedale, 1906--1930 (South Africa) GA Duncan | | 2003 |
| ‘Ever old and ever new, keep me travelling along with you’: 21st Century Notae Ecclesiae specifically necessary for churches in southern Africa GA Duncan HTS Teologiese Studies/Theological Studies 67 (1), 2011 | 6 | 2011 |
| 'Pull up a good tree and push it outside'? The Rev Edward Tsewu's dispute with the Free Church of Scotland Mission GA Duncan Dutch Reformed Theological Journal= Nederduitse Gereformeerde Teologiese …, 2012 | 7 | 2012 |
| ‘Quis custodiet ipsos custodes?’: Developing a constructivist approach to learning about ministerial and spiritual formation GA Duncan | | 2012 |
| 'Quis custodiet ipsos custodes?'(Juvenal Satires: § 345)(Who guards [nurtures] the guardians?): Developing a constructivist approach to learning about ministerial and spiritual … GA Duncan HTS Theological Studies 68 (1), 1-7, 2012 | 3 | 2012 |
| “One in Christ”: Fedsem spiritualities of solidarity GA Duncan Acta Theologica 36 (1), 27-51, 2016 | 1 | 2016 |
| 14C-l-phenylalanine mustard (14C-L-PAM): studies on absorption, distribution, degradation and elimination in the dog RL Furner, RK Brown, G Duncan Proc. Amer. Ass. Cancer Res 18, 41, 1977 | 4 | 1977 |
| 350 Years Reformed in South Africa: The contribution of the Reformed Presbyterian Church in Southern Africa GA Duncan HTS: Theological Studies 59 (1), 47-64, 2003 | 6 | 2003 |
| A church of strangers: the Universal Church of the Kingdom of God in South Africa G Duncan Studia Historiae Ecclesiasticae 42 (1), 198-199, 2016 | | 2016 |
| A crisis in mission and unity: The closure of the Federal Theological Seminary of Southern Africa G Duncan Missionalia: Southern African Journal of Mission Studies 32 (1), 39-67, 2004 | 4 | 2004 |
| A critical historical evaluation of the formation of the Anglican Province of Zimbabwe (APZ) by Bishop Nolbert Kunonga GA Duncan, F Mutmiri Studia Historiae Ecclesiasticae 44 (2), 1-16, 2018 | 1 | 2018 |
| A Global Church History: The Great Tradition through Cultures, Continents and Centuries, by RF Rea and SD Cone GA Duncan Studia Historiae Ecclesiasticae 46 (1), 1-2, 2020 | | 2020 |
| A History of Christianity in the United States and Canada, by MA Noll GA Duncan Studia Historiae Ecclesiasticae 46 (1), 1-2, 2020 | | 2020 |
| A History of English Christianity 1920-2000, A. Hastings: book review GA Duncan Verbum et Ecclesia 28 (1), 376-377, 2007 | | 2007 |
| A history of ministerial formation of Uniting Churches at the University of Pretoria: 2000-2017 JM Womack PQDT-Global, 2019 | | 2019 |
| A History of the Evangelical Presbyterian Church in South Africa, 1875-2015, by Halala P, Khosa MW, Makaana J, Masangu HD, Nwamilorho J, and Tshwane J GA Duncan Studia Historiae Ecclesiasticae 45 (1), 1-2, 2019 | 1 | 2019 |
| A learning missional church: Reflections from young missiologists, Fagerli B, Jørgesen K, Olsen R, Haug KS, Tveitered K (eds.): book review GA Duncan Missionalia: Southern African Journal of Mission Studies 44 (2), 241-242, 2016 | | 2016 |
| A method for the measurement of L-phenylalanine mustard in the mouse and dog by high-pressure liquid chromatography. RL Furner, LB Mellett, RK Brown, G Duncan Drug Metabolism and Disposition 4 (6), 577-583, 1976 | 58 | 1976 |
