Touring The Continents: Lectures: Africa, Asia South of Siberia, & Middle East :: Econ 135 :: History of Economic Growth 5.[6-8].3. <https://www.icloud.com/keynote/07G4SQVjHYedJdHfnFundVJ4w> <https://github.com/braddelong/public-files/blob/master/econ-135-5.%5B6-8%5D.3-lectures-africa-asia-me.pptx>
