- *Electing Moral Leaders* (1989)
- *A History of the Salvation Army, Volume 2: The International Salvation Army, 1891-1946* (1987)
- *Secular Ethics and the Protestant churches: Some Problems of Methodology with Special Reference to the World Council of Churches* (1982)
- *History of the Salvation Army: Volume 1, The Early Years* (1978)
- *The Promise and the Reality: Church and State in an Age of Crisis* (1976)
- *The Problem of Religious Authority: Ecumencial Ecclesiology in Transition* (1969)
- *The Christian Ministry: A Study in Theology and Ministry* (1964)
Articles:
- "William Booth and Liberation Christianity: A Prophetic Critique of Capitalism" (1978)
- "Ethics and the World Council of Churches: Some Problems of Methodology" (1977)
- "The Ecumenical Approach to Authority" (1969)
- "The Church in an Age of Revolution: A Wesleyan Interpretation" (1968)
- "The Meaning of the Resurrection" (1967)
- "The Promise and the Reality: Church and State in an Age of Crisis" (1965)
- "The Church and Theological Education: A Critique" (1963)
- "The Christian Ministry: A Study in Theology and Ministry" (1962)
- "The Nature of the Church: A Wesleyan Interpretation" (1961)
- "The Problem of Religious Authority: A Wesleyan Approach" (1959)