Data Sources

American Booksellers Association
(Copyright 2006)
http://www.BookWeb.org/

Audit Bureau of Circulations
(2006 Audit Bureau of Circulations)
http://www.accessabc.com/

Bay Area Center for Voting Research
The Most Conservative and Liberal Cities in the United States
http://www.votingresearch.org/

Intel Corporation
(3d Annual Most Unwired Cities Survey)
http://www.intel.com/personal/wireless/unwiredcities/

MediaFinder.Com of Oxbridge Communications Inc.
(The site searches the National Directory of Magazines [2004-2005] and the Standard Periodical Directory [2005].)
http://www.mediafinder.com

National Center for Education Statistics
(2004 Public Libraries Survey and Library Statistics Program)
(2004-2005 Public School District)
http://nces.ed.gov/

Scarborough Research USA+2005 Release
(August 2004-September 2005).
http://www.scarborough.com

U.S. Census Bureau
United States Department of Commerce
(United States Census 2005)
http://www.census.gov/

Yellow Pages, Inc.
(Copyright 2006 Yellow Pages, Inc.)
http://www.yellowpagesinc.com/