J. Robertson, “Notice of a Volume of the ’Accounts of Sir William Bruce of Balcaskie, General Surveyor of His Majesty’s Works (1674-1679),’: formerly preserved in the charter-room at Kinross, and lately presented to Her Majesty’s General Register House at Edinburgh, by Sir Graham Graham Montgomery, Bart. of Stanhope, MP”, PSAS, vol. 3, pp. 113–117, Nov. 1862.