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, 275–313. https://doi.org/10.9750/PSAS.023.275.313