Letter from William Walker to James Skinner, with draft power of attorney from Thomas Cockburn and his wife Jean, sister and administratrix of Lt. James Couper, to James Campbell of Calcutta and others to wind up the estate of Lt. James Couper
Letter from Robert Spotteswoode, enclosing a copy of the answer of Thomas Lane the younger to the Bill of complaint of Thomas Cockburn and Jean his wife
Letter from William Walker to James Skinner, with a copy of the instructions from Mr and Mrs Cockburn, executors of the estate of Lt. James Couper, killed in 1763, to their executors, Messrs. Mair and Hall