The Nuttall Encyclopedia
Scottish historian, born in Orkney; passed through Edinburgh University to the Scottish bar, to which he was called in 1785, but proved an unsuccessful advocate; turning to literature, he edited "Ossian," and wrote a "History of Scotland from James VI. to Anne", in a subsequent edition of which he inserted the well-known attack on Mary Stuart (1762-1818).
Wood, James, ed. Entry for 'Laing, Malcolm'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/l/laing-malcolm.html. Frederick Warne & Co Ltd. London. 1900.