Marshall, D. 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, (Nov. 1889), 275–313. DOI:https://doi.org/10.9750/PSAS.023.275.313.