| Presbyterian policies and tactics from the Westminster Assembly to the Protectorate by Leland H. Carlson (WA) – Added December 16, 2021 | | |
| Proposed Confessional Revision in the Presbyterian Church of the United States by John Murray (WCF) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 48 and 49 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 50 and 51 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 52 and 53 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 54 and 55 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 56 and 57 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 58 and 59 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 60 and 61 by John H. Skilton (WSC) – Added December 16, 2021 | | |
| Studies in the Shorter Catechism – Lessons 62 and 63 by John H. Skilton (WSC) – Added December 16, 2021 | | |
