Data Sources



American Booksellers Association

(Copyright 2007) http://www.BookWeb.org/


Audit Bureau of Circulations

(2007 Audit Bureau of Circulations) http://www.accessabc.com/


MediaFinder.Com of Oxbridge Communications Inc.

(The site searches the National Directory of Magazines [7] and the Standard Periodical Directory [2007].) http://www.mediafinder.com


National Center for Education Statistics

(2005 Public Libraries Survey and Library Statistics Program, Released 2007) (2004-2005 Public School District) http://nces.ed.gov


Scarborough Research USA+2007 Release

http://www.scarborough.com


U.S. Census Bureau

United States Department of Commerce (United States Census 2006) http://www.census.gov


Yellow Pages, Inc.

(Copyright 2007 Yellow Pages, Inc.) http://www.yellowpagesinc.com