Secondary Sources ~ 1968
| Calvin, Dort, and Westminster on Predestination – A Comparative Study by John Murray (WA) | ||
| Peter Sterry platonist and puritan 1613-1672: a biographical and critical study with passages selected from his writings by Vivian de Sola Pinto (Biography) | ||
| Stephen Marshall and the dilemma of the political puritan by Minna F. Weinstein (Biography) | ||
| Stephen Marshall: preacher to the Long Parliament by Harold H. Hazelip (Biography) | ||
| The English Presbyterians by Charles G. Bolam (WA) | ||
| The shorter catechism illustrated from Christian biography & history by John Whitecross (WSC) | ||
| Westminster confession of faith by Charles H. Chao (WCF) |