Book Review: Calvin's Doctrine of the Knowledge of God. By T. H. L. Parker. Oliver & Boyd, 1969. x+148 pp. £2.25.; William Perkins. Edited by Ian Breward. Courtenay Library of Reformation Classics, vol. 3. The Sutton Courtenay Press, 1970. xv+646 pp. £6.00 - Huelin, Gordon (Theology, 1971)