| Scripture index to the Westminster standards by Stephen Pribble (WCF, WLC, WSC) – Added December 16, 2021 | | |
| Subscription to the Westminster Confession of Faith and Catechisms by William S. Barker (WCF, WLC, WSC) – Added December 16, 2021 | | |
| Subscription to the Westminster Confession of Faith and Catechisms by George W. Knight III (WCF, WLC, WSC) – Added December 16, 2021 | | |
| The Catechisms of the Westminster Assembly by John Murray (WLC, WSC) – Added December 16, 2021 | | |
| The confession of faith; and, The larger and shorter catechism first agreed upon by the Westminster Assembly of Divines at Westminster, and now approved by the General Assembly of the kirk of Scotland to be a part of uniformity in religion between the kirks of Christ in the three kingdoms by David Dickson (WCF, WLC, WSC) – Added December 16, 2021 | | |
| The Doctrine of Adoption: Theological Trajectories in Puritan Literature by Michael M. Dewalt (WCF, WLC) – Added December 16, 2021 | | |
| The Doctrine of Preaching in the Reformed Confessions by Cornelis P. Venema (WCF, WLC) – Added December 16, 2021 | | |
| The doctrine of the holy trinity explain’d and asserted from the holy scriptures.: Being a vindication of what is contain’d in the Westminster Confession of Faith and Catechisms, and other protestant confessions, upon that subject. Wherein the most important questions relating to that doctrine are clearly and succinctly treated…together with practical observations on each head by Charles Mastertown (WCF, WLC, WSC) – Added December 16, 2021 | | |
| The Doctrine of the Lord’s Supper in the Reformed Confessions by Cornelis P. Venema (WCF, WLC) – Added December 16, 2021 | | |
| The duty of holding fast the form of sound words. Refer’d to the Assembly’s Catechisms, and Confession of faith; and fit to bind by Daniel Wilcox (WCF, WLC, WSC) – Added December 16, 2021 | | |
