Aberdeen Harbour Board: Letter from J.B McCombie, Aberdeen Letter to James Riddel: "Sir, on behalf of the Trustees and Executors of the deceased Mr. William Dunn, Tobacconist, and Mrs. Dunn, his widow, I beg to give you notice, that at the 20 of June next, they will require payment of the principal sums (& interest then due) contained in two promissory notes by the Harbour Trustees, & œ500 each, the one dated 22nd Dec 1829 payable "to Mr. William Dunn, Tobacconist in Aberdeen, or Helen McCombie, his spouse"- and other dated 21st June 1830, payable to the said William Dunn. I am Sir, your most obedient servant, Ja.B. McCombie." 22 March 1833