Data sources, that I found on other sites, organized into categories. Economics UMD:: http://inforumweb.umd.edu/econdata/econdata.html World bank: http://data.worldbank.org/indicator Finance CBOE Futures Exchange: http://cfe.cboe.com/Data/ Google Finance: http://finance.yahoo.com/ (R) Google Trends: http://www.google.com/trends?q=google&ctab=0&geo=all&date=all&sort=0 St Louis Fed: http://research.stlouisfed.org/fred2/ (R) NASDAQ: https://data.nasdaq.com/ OANDA: http://www.oanda.com/ (R) Quandl: …

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