- Primitive Christianity, Vol. 2: Its Writings and Teachings in Their Historical Connections (Classic Reprint)
- The Development of Rational Theology in Germany Since Kant: And Its Progress in Great Britain Since 1825 (Muirhead Library of Philosophy)
- Philosophy and development of religion; being the Gifford lectures delivered before the University of Edinburgh, 1894 Volume 2
- Paulinism: a contribution to the history of primitive Christian theology - Vol. 2
- Jahrbucher Fur Protestantische Theologie, Volume 16...