Nennius, British Historian Short biography of the 9th-century Celtic historian describing his works and comparing him to an Anglo-Saxon counterpart, the Venerable Bede. http://www.brighton73.freeserve.co.uk/tomsplace/interests/medieval/nennius.htm

Medieval Sourcebook: Nennius, Historia Brittonum Complete text from the Giles translation and other sources. http://www.fordham.edu/halsall/basis/nennius-full.html

Historia Britonum Latin text of Nennius's history of the British people. Edited by Theodore Mommsen. http://www.gmu.edu/departments/fld/CLASSICS/histbrit.html

Lectures on The Industrial Revolution in England Transcript of Toynbee's 1884 discussions of the agrarian and industrial revolution and the ideas of Smith, Malthus, and Ricardo. http://www.socsci.mcmaster.ca/~econ/ugcm/3ll3/toynbee/indrev