Cost of Living/Purchasing Power

Cost of living in the United States, 1914-1936 (M. Ada Beney)
http://pds.lib.harvard.edu/pds/view/2580760?n=4&s=4
Publisher: National Industrial Conference Board

How much is that worth today?
http://eh.net/hmit/
Publisher: Economic History Services
Catalog Record/Annotation 2002563829

Inflation Calculator
http://www.westegg.com/inflation/
Publisher: S. Morgan Friedman

Inflation Conversion Factors for Dollars 1774 to Estimated 2019
http://oregonstate.edu/cla/polisci/faculty/sahr/sahr.htm
Publisher: Robert Sahr, University of Oregon

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

Prices and Earnings
http://www.ubs.com/1/e/wealthmanagement/wealth_management_research/prices_earnings.html
Publisher: Union Bank of Switzerland

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