Exchange Rates

Bloomberg: Market Data: Currencies
http://www.bloomberg.com/markets/currencies/fxc.html
Publisher: Bloomberg

Currency Converter
http://www.oanda.com/convert/classic
Publisher: OANDA

Dollar-Pound Exchange Rate From 1791
http://www.measuringworth.com/exchangepound/
Publisher: MeasuringWorth.com

European Central Bank Statistics
http://www.ecb.int/
Publisher: European Central Bank

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

Exchange Rates: US$ and 41 Currencies (historical)
http://www.measuringworth.com/exchangeglobal/
Publisher: MeasuringWorth.com

Federal Reserve Statistical Release H.10 Foreign Exchange Rates (weekly)
http://www.federalreserve.gov/releases/H10/
Publisher: U.S. Board of Governors of the Federal Reserve System
Catalog Record/Annotation 99107284

Foreign exchange rates…
http://www.ny.frb.org/markets/foreignex.html
Publisher: Federal Reserve Bank of New York

Fxtop.com - Online Currency Converters
http://fxtop.com/
Publisher: Fxtop

MeasuringWorth.com Calculators
http://www.measuringworth.com/calculators.html
Publisher: MeasuringWorth.com

Medieval and Early Modern Data Bank (various databases)
http://www2.scc.rutgers.edu/memdb/database_list.html
Publisher: Rutgers University Libraries

Pacific Exchange Rate Service
http://fx.sauder.ubc.ca/
Publisher: Policy Analysis Computing & Information Facility in Commerce. University of British Columbia.
Catalog Record/Annotation 98801994

Universal Currency Converter
http://www.xe.com/ucc/
Publisher: Xe.com