* Neville, Cynthia J., "Native Lordship in Medieval Scotland: The Earldoms of Strathearn and Lennox, c. 1140–1365", (Portland/Dublin, 2005).
* Neville, Cynthia J., "Native Lordship in Medieval Scotland: The Earldoms of Strathearn and Lennox, c. 1140–1365", (Portland/Dublin, 2005).