Commodities

European Commodity Prices 1260-1914 - Barley, Oats, Rye, Wheat, Currency Conversions
http://www.history.ubc.ca/unger/htm_files/new_grain.htm
Publisher: Robert C. Allen and Richard W. Unger, University of British Columbia

Prices and Wages: Index to Websites
http://www.iisg.nl/hpw/link.php
Publisher: International Institute of Social History

Stock and Commodity Exchanges
http://www.libraries.rutgers.edu/rul/rr_gateway/research_guides/busi/stocks.shtml
Publisher: Rutgers University Libraries

TradeStats Express (US trade data)
http://tse.export.gov
Publisher: U.S. International Trade Administration

World Economic Outlook Databases
http://www.imf.org/external/ns/cs.aspx?id=28
Publisher: International Monetary Fund