| Letters of Samuel Rutherford by A. C. Boyd (About) – Added December 16, 2021 | | |
| Letters of Samuel Rutherford and a Sketch of His Life by Andrew Bonar (About) – Added December 16, 2021 | | |
| Letters of the Rev. Samuel Rutherford by John McEwan (About) – Added December 16, 2021 | | |
| Ley [Leigh], John (1584-1662), Church of England clergyman and religious controversialist by Richard L. Greaves (About) – Added May 24, 2023 | | |
| Liberty of conscience and the Whitehall debates of 1648-9 by Carolyn Polizzotto (About) – Added December 16, 2021 | | |
| Life of Alexander Henderson by Joseph Minton Batten (About) – Added December 16, 2021 | | |
| Life of Rev. Samuel Rutherford by Thomas Murray (About) – Added December 16, 2021 | | |
| Lightfoot, John (1602-1675), Hebraist and biblical scholar by Newton E. Key (About) – Added May 24, 2023 | | |
| Lives of Alexander Henderson and James Guthrie. With Specimens of their Writings by (About) – Added December 16, 2021 | | |
| Living in the family: thoughts from William Gouge by Joel R. Beeke (About) – Added December 16, 2021 | | |
