Abstract: A copy of a letter from Brigadier-General John Malcolm, Envoy of the Supreme Government of India to Persia [Iran], sent from a Royal camp near Tabreez [Tabrīz] and dated 14 February 1810. The letter expresses Malcolm’s opinion on the Definitive Treaty being negotiated with Persia and its relation to the defence of India, in particular the question of supporting the formation of a regular Persian army.Part of the letter is written in code and has not been deciphered.Physical description: 1 item (6 folios)