“Sketches of Later Scottish Alchemists: – John Napier of Merchiston – Robert Napier – Sir David Lindsay – First Earl of Balcarres – Patrick Ruthven – Alexander Seton – and Patrick Scot”. 1876. Proceedings of the Society of Antiquaries of Scotland 11 (November): 410-38. https://doi.org/10.9750/PSAS.011.410.438.