| Authentic Christianity: an exposition of the theology and ethics of the Westminster Larger Catechism by Lane Keister (WLC) – Added December 16, 2021 | | |
| Authentic Christianity: An Exposition of the Theology and the Ethics of the Westminster Larger Catechism by Joseph C. Morecraft (WLC) – Added December 16, 2021 | | |
| Catechisms of the Reformed Reformation by Joseph H Hall (WLC, WSC) – Added December 16, 2021 | | |
| Catechisms of the Second Reformation by Alexander F. Mitchell (WLC) – Added December 16, 2021 | | |
| Catechisms, Capitalism and Max Weber [Pt Two] by Michael H. Lessnoff (WLC, WSC) – Added December 16, 2021 | | |
| Commentary on the Larger Catechism by Thomas Ridgley (WLC) – Added December 16, 2021 | | |
| Commentary on the Larger Catechism — Previously Entitled A Body of Divinity — Wherein the Doctrines of the Christian Religion are Explained and Defended, Being the Substance of Several Lectures on the Assembly’s Larger Catechism, 2 V by Richard A. Muller (WLC) – Added December 16, 2021 | | |
| Commentary on the Larger Catechism, 2 Vol by Thomas Boston (WLC) – Added December 15, 2020 | | |
| Commentary on the Shorter Catechism, 2 Vol. by Thomas Boston (WLC, WSC) – Added December 16, 2021 | | |
| Commentary on the Westminster Larger Catechism by Thomas Ridgley (WLC) – Added December 16, 2021 | | |
