Pentland, G 2010, 'Radical Returns in an Age of Revolutions: Maurice Margarot, Thomas McFarlane and
Andrew White' Etudes Ecossaises, vol 13, pp. 92-101.

"Of the Scottish Martyrs of the 1790s only one returned to Britain. Of the nineteen transported after 1820, only two returned. Nevertheless, the experiences of these three men provide a useful insight into how the ideas of exile and return featured in radical political culture."

http://www.research.ed.ac.uk/portal/files/14428877/Radical_Returns_in_an_Age_of_Revolutions.pdf