Gordon, Thomas, and David Laing. “Extracts from the Presbytery Records of Dalkeith, Relating to the Parish of Newbattle, During the Incumbency of Mr Robert Leighton, 1641-1653”. Proceedings of the Society of Antiquaries of Scotland, vol. 4, Nov. 1863, pp. 459-92, doi:10.9750/PSAS.004.459.492.