| Description | Letter to James Gordon of Letterfourie from his nephew, John Duff, at camp near Cawnpore, thanking him for all his favours, mentioning a payment by his brother the Major in return for some of Gordon’s outlay on John, John is now an Ensign in a battalion of Sepoys, comparison of military establishments in Madras and Bengal, with quicker promotion in the latter, 22 September 1780 |