US and Canada
Joshua Johnson's Letterbook 1771-1774 - Letters from a merchant in London to his partners in Maryland
Prices Current at New York. From the Jersey Chronicle of June 20, 1795
The Colonial Merchants and the American Revolution, 1763-1776. by Arthur Schlesinger. 1917
French Ontario in the 17th and 18th Centuries - Resources and Trade
A Brief History of early French trade blankets
Market Sheds and Houses of Colonial Philadelphia
European
Dictionary of Traded Goods and Commodities, 1550-1820. 2007 British History Online.
A gazetteer of markets and fairs in England and Wales to 1516, with their dates of foundation
Borough Market Privileges: The hinterland of medieval London, c.1400
Markets and Fairs - History - Croydon
The overseas trade of London: exchequer customs accounts. 1480-1
The port and trade of early Elizabethan London: documents
Hearth Tax, Cheapside (part) 1666 City of London, Cheap Ward, St. Martin Pomary
Historic food prices
Historic food prices - Food Timeline links list
CPI Inflation Calculator 1913--
Comparing the purchasing power of money in the United States (or colonies) from 1665 to 2005
Money articles. Common-Place
Medieval and Early modern data bank - currency exchanges and prices
The Consumption of Spices and Their Costs in Late-Medieval and Early-Modern Europe. 2 charts: The Commodity Purchasing power of wages in 15th century London. // Prices of Spices in Antwerp, London, and Oxford in 1438-39
Prices and relative values of spices in Antwerp and London
Historical Prices and Wages - International Institute of Social History