SUMMER READING SALE! Through Friday, June 12, use code PENN-SUMMER26 to save 40% on available titles!
(Please note that the three-volume set of Greater Philadelphia is excluded, although the individual volumes are eligible for the discount.)
Prices and Inflation During the American Revolution, Pennsylvania, 1770-1790
Prices in Colonial Pennsylvania
Wage Rates and Working Time in the Bituminous Coal Industry, 1912-1922
Wage Methods and Selling Costs
Help-Wanted Advertising as an Indicator of the Demand for Labor
Wholesale Prices in Philadelphia, 1852-1896
Wholesale Prices in Philadelphia, 1784-1861
Trends in Foundry Production in the Philadelphia Area