Marshall, David. 1889. “Notes of the Connection of the Earls of Morton and Dick of Braid and Craighouse; With the Earldom of Orkney and Lordship of Zetland, With Rental, Inventory, &C., 1653, from Original Documents in the Charter Room of Kinross House”. Proceedings of the Society of Antiquaries of Scotland 23 (November):275-313. https://doi.org/10.9750/PSAS.023.275.313.