E-tax Matters
   Provides basic information on the filing of tax returns, with the opportunity to submit questions to the site's sponsors.
   http://www.etaxmatters.com/

Gasoline Excise Tax - Historical Revenues: Fact Sheet
   A history of the national gasoline tax, including yearly revenues since it began.
   http://www.ncseonline.org/NLE/CRSreports/energy/eng-35.cfm?&CFID=17552456&CFTOKEN=31899597

Information and Misinformation about Federal Tax Burdens
   Center on Budget and Policy Priorities article arguing that the percentage of income that typical middle-class families pay in federal taxes is often overstated.
   http://www.cbpp.org/1-21-99taxburden.htm

New York Times- IRS Is Allowing More Delinquents to Avoid Tax Bills
   The Internal Revenue Service for more than a year has let many tax delinquents go without paying tax bills that total billions of dollars.
   http://www.nytimes.com/library/financial/101099irs-tax-delinquents.html

Progressive and Regressive Taxes Explained
   Essay discussing the concepts of progressivity in taxation, the role of taxation in regulating the economy, and explaining why sales taxes are considered to be regressive.
   http://www.psnw.com/~bashford/taxation.html

TaxPolicy.com
   Quiz to determine your stance on tax policy.
   http://www.taxpolicy.com

The Future of State Taxation
   Book available from the Urban Institute.
   http://www.urban.org/pubs/state_tax/index.htm

Who Pays? A Distributional Analysis of the Tax Systems in the 50 U.S. States
   Study found that most states take a far greater share of income in taxes from middle- and low-income families than from the wealthy.
   http://www.ctj.org/html/whopay.htm