Introducing Barth, from Cambridge Companion to Karl Barth (Webster, 2000)
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The Identity of the Holy Spirit: A Problem in Trinitarian Theology (Webster, 1983)
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The Theology of Evangelism: The Heart of the Matter (Abraham, 1994)
The central task of a theology of evangelism is to provide a clear and credible account of the ministry of evangelism which will foster and illuminate responsible evangelistic practices by the Christian church and its agents in the modern world.
To date very limited attention has been given to this crucial subject