Found in articles
Lowell H. Harrison, »The Kentucky Encyclopedia«, University Press of Kentucky, 1992, str. 592, pridobljeno 30.7.2010 »Office of Senator Mitch McConnell
Mikroekonomija
William M. »Macroeconomics and International Policy Terms« (PDF). University of Kentucky. Arhivirano (PDF) iz spletišča dne 18. marca 2007. Pridobljeno 4
Barry (1996): Kentucky Archaeology.University Press of Kentucky,USA, str. 18 Custer Jay F. (1989): Prehistoric Cultures of the Delmarva Peninsula: An Archaeological
Alfred Russel Wallace: Evolution of an Evolutionist Arhivirano 2009-02-18 na Wayback Machine.. Western Kentucky University. Wikimedijina zbirka ponuja več
West Virginia and the Central Appalachians. Lexington, Kentucky: University Press of Kentucky. str. 381. ISBN 978-0-8131-9039-6. Capasso, L. (1998). »5300