These letters written from Lord Herbert (later Lord Powis) mostly to the 3rd Duke concerning the Jacobite rising and the raising of militias.
To the 3rd Duke he mentions: the Duke of Athol; Lord George Murray; Lord Dunmore; General Cope; Sir Robert Monro; Mr Pelham; the treaty with Prussia; the movement of the rebels; the taking of Edinburgh bythe rebels; the need for associations in defence of the country against the rebels; troops expected from Flanders; General Wentworth; the preference for associations over militias; an account of the drawing up of an association and voluntary subscription in Shropshire.
To Lord Hartington he writes news of his wife's birth to their son.