Secondary Sources ~ Kristeen M. Mackenzie
| The Solemn League and Covenant of the Three Kingdoms and the Cromwellian Union, 1643-1663 by Kristeen M. Mackenzie (WA) |
| The Solemn League and Covenant of the Three Kingdoms and the Cromwellian Union, 1643-1663 by Kristeen M. Mackenzie (WA) |