W. Scott, “Contemporary account of the escape of Rob Roy, after being apprehended, in the year 1717, by the Duke of Athole; in a letter from the Reverend Mr Murray to the Reverend Colin Campbell, Minister of Ardchatton: communicated by Sir Walter Scott, Baronet. From the original, in the possession of John Gregorson, of Ardtornish, Esq”., arch-scot, vol. 3, pp. 296–297, Nov. 1832.