County Tourism Home Page[永久失效連結] MONEY Magazine: Best places to live 2005. [2013-07-20]. (原始内容存档于2014-02-23). Best Places to Live 2006 - Money Magazine. [2013-07-20]
1634–1699: McCusker, J. J. How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: