Archive Research concerning the following subjects: Hume in Turin (8 May - 29 November 1748) as secretary and aide-de-camp to General St Clair. St Clair's mission and correspondence (his letters written by Hume). Hume's account of plains and fortifications (the principle of sympathy). Hume's maladay and religion. 'Of National Characters' and Hume's reading of Montesquieu's Esprit. Hume and Lord Charlemont