World Wide Financial Network Crash Index
Harvard University Department of Economics
Organization for Economic Cooperation and Development
http://william-king.www.drexel.edu/top/prin/txt/Ecotoc.html
http://www.prospect.org//columns/kuttner/2000/kuttner-r000611.html
http://odur.let.rug.nl/~usa/B/asmith/adams1.htm
http://www.humanities.mq.edu.au/politics/y64l02.html
http://www.philosophypages.com/ph/marx.htm