The Nuttall Encyclopedia
Arctic voyager, born in Orkney, studied medicine in Edinburgh; first visited the Arctic regions as a surgeon; was engaged in three expeditions to these regions, of which he published reports; was made a LL.D. of Edinburgh University on the occasion of Carlyle's installation as Lord Rector (1813-1893).
Wood, James, ed. Entry for 'Rae, John'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/r/rae-john.html. Frederick Warne & Co Ltd. London. 1900.