[1]
“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”, PSAS, vol. 11, pp. 410–438, Nov. 1876, doi: 10.9750/PSAS.011.410.438.