| ’The Unchanged Peacemaker’? John Dury and the politics of Irenicism in England, 1628-1643 by Anthony Milton (About) – Added December 16, 2021 | | |
| Alexander Henderson and an Early Scottish Communion Token by Ian Carradice (About) – Added December 16, 2021 | | |
| American Presbyterians and the Directory for Worship, 1645–1989 by Stanley R. Hall (DPW) – Added December 16, 2021 | | |
| An Exhaustive Concordance to the Westminster Confession of Faith and Catechisms and Index to the Scripture Proofs by (WCF, WLC, WSC) – 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 | | |
| John Selden and the Biblical Origins of the Modern International Political System by Abraham Berkowitz (About) – Added December 16, 2021 | | |
| Politics, erudition, and ecclesiology: John Selden’s “Historie of Tithes” and its contexts and ramifications by Edith Anne Bershadsky (About) – Added December 16, 2021 | | |
| Samuel Rutherford (c. 1600-61) and the British revolutions by John Coffey (About) – Added December 16, 2021 | | |
| Scripture index to the Westminster standards by Stephen Pribble (WCF, WLC, WSC) – Added December 16, 2021 | | |
| Stephen Marshall and Finchingfield by Tom Webster (About) – Added December 16, 2021 | | |
