U. Michigan and Drexel U. Archived from the original on October 2, 2011. Retrieved December 9, 2012.

^ 1634–1699: McCusker, J. J. (1997). 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: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). 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 (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved April 16, 2022.

^ Jump up to: a b Donald 1996, p. 424.

^ Paludan 1994, p. 111.

^ Brands, H. W. (2011). Greenback Planet: How the Dollar Conquered the World and Threatened Civilization as We Know It. University of Texas Press. p. 1. ISBN 978-0-292-73933-8.

^ Donald 1996, p. 501–502.

^ Jump up to: a b c Donald 1996, p. 471.

^ Schaffer, Jeffrey P. (1999). Yosemite National Park: A Natural History Guide to Yosemite and Its Trails. Berkeley: Wilderness Press. p. 48. ISBN 978-0-89997-244-2.

^ Blue 1987, p. 245.

