Data Sources


American Booksellers Association

(Copyright 2008)


Audit Bureau of Circulations
(2008 Audit Bureau of Circulations)


Institute of Museum and Library Services (IMLS)


MediaFinder.Com of Oxbridge Communications Inc.
(The site searches the National Directory of Magazines [2007] and the Standard Periodical Directory [2007].)


National Center for Education Statistics (NCES)
(December 2-13, 2012)

Scarborough Research USA+2008 Release


U.S. Census Bureau
United States Department of Commerce
(United States Census 2007)


Yellow Pages, Inc.
(Copyright 2008 Yellow Pages, Inc.)


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