http://finance.yahoo.com/q/hp?s=NWL&a=06&b=19&c=1984&d=08&e=24&f=2010&g=m
2. How to automate import of historical stock data from Yahoo Finance site into Access
http://www.experts-exchange.com/Database/MS_Access/Q_26499199.html
http://www.kdnuggets.com/datasets/index.html
3. Canada Open Dataset
http://data.gc.ca/eng
http://aws.amazon.com/cn/publicdatasets/
http://blog.visual.ly/data-sources/
http://aws.amazon.com/cn/publicdatasets/
http://blog.visual.ly/data-sources/