Section 1: Smith
http://www.econlib.org/library/Smith/smWN.html - Book 1, Chapters 1-4
Section 2: Marx
https://www.marxists.org/archive/marx/works/1848/communist-manifesto/ch01.htm
http://www.theguardian.com/books/2013/may/16/karl-marx-ideas-resonate-today
Section 3: Keynes – The General Theory
http://en.wikipedia.org/wiki/The_General_Theory_of_Employment,_Interest_and_Money
http://www.pkarchive.org/economy/GeneralTheoryKeynesIntro.html
http://www.marxists.org/reference/subject/economics/keynes/general-theory/ch24.htm
Section 4: Keynes – Animal Spirits
http://socialdemocracy21stcentury.blogspot.co.uk/2011/06/animal-spirits-is-red-herring.html
http://www.mckinsey.com/insights/economic_studies/how_animal_spirits_destabilize_economies
http://organizationsandmarkets.com/2011/12/20/what-did-keynes-mean-by-animal-spirits/
Section 5: Hayek’s challenge
http://www.iea.org.uk/sites/default/files/publications/files/upldbook351pdf.pdf - (pages 10-16 and 72-89)
http://www.economist.com/blogs/freeexchange/2014/03/keynes-and-hayek and make sure that you follow the links to the YouTube videos
Section 6: Austrian Economics