Letters to Sir George's brother William Barlow from their cousin George Edward Pratt Barlow (b 1784), who was later the co-respondent in Sir George's divorce.
Copies of correspondence between Lieutenant Balmain, Superintendant of the Gunpowder Manufactory, Fort St George, and Lieutenant William Ormsby, Secretary of the Military Board, Madras, concerning changes at the gunpowder factory.