Secondary Sources ~ 1940s
| A Study in the Westminster Doctrine of the Relation of the Civil Magistrate to the Church by Johnston, Robley J. (WA) | ||
| God’s Eternal Decrees by Riddell, J. G. (WCF) | ||
| John Dury by Batten, Joseph Minton (Biography) | ||
| John Dury: Advocate of Christian reunion by Batten, Joseph Minton (Biography) | ||
| John Dury: advocate of Christian reunion by Hudson, Winthrop S. (Biography) | ||
| John Dury: advocate of Christian reunion by Norwood, Percy Varney (Biography) | ||
| John Dury: advocate of Christian reunion by Stealey, Sydnor Lorenzo (Biography) | ||
| John Milton and the Westminster Assembly by Pears Jr., Thomas C. (WA) | ||
| Presbyterians: Their History and Beliefs by Lingle, Walter L. (WA) | ||
| Robert Baillie, Correspondent by Anonymous, (Biography) |