Sister States Tax Directory 
Links to the web pages for each state's Department of Revenue and official tax forms.
http://www.sisterstates.com/Taxaway
Daily tax tips, tax news items, and helpful information for US and UK taxpayers.
http://www.taxaway.com/
The Tax Prophet!
Original content on U. S. income taxation, plus professional tax articles, newsletters, hot topics discussions and colorful features.
http://www.taxprophet.com/
Tax and Accounting Sites Directory
A comprehensive index of tax and accounting resources on the Internet.
http://www.taxsites.com/
Internal Revenue Code
U.S. Tax Code in hypertext.
http://www.fourmilab.ch/ustax/
Internal Revenue Code
United States Internal Revenue Code, published by Cornell University.
http://www4.law.cornell.edu/uscode/26/
Will Yancy's Home Page
Extensive collection of links to tax, accounting, finance, law, and related web sites.
http://www.willyancey.com/
Tax Concepts for Offshore Investors
Basics of taxation: concepts, definitions, such as "double taxation," "credits" vs. "rebates," with dollars and cents examples.
http://perso.wanadoo.es/eviana/taxes/
Flinders University International Tax Index
Australian University's comprehensive directory of online tax resources, listed by country.
http://www.ssn.flinders.edu.au/commerce/tax/
The Process of Corporate Tax Harmonisation in the EC
A legal review concerning coordination among the corporate taxation jurisdictions of the European Union written by Jean-Philippe Chetcuti.
http://www.chetcuticauchi.com/jpc/research/eu-tax-harmonization.htm
TaxCreditResouces.org
Information about federal and state tax credits for low-to-moderate income families, with online eligibility review. Sponsored by Community Resources Information, Inc.
http://www.taxcreditresources.org/
Taxman International
Directory of governmental tax agencies.
http://www.xs4all.nl/~edvisser/taxman/
TaxTopics.net
Directory of tax guides and resources.
http://www.taxtopics.net/
Arieh Gavious, Ph.D.
Articles about transfer pricing, links, and professional information, from a professor at Ben Gurion University.
http://www.bgu.ac.il/~ariehg/
TaxAlmanac
Collaborative tool for online tax research.
http://www.taxalmanac.org/
Allexperts.com
Volunteers, including tax professionals, answer your questions about taxes.
http://www.allexperts.com/browse.cgi?catLvl=2&catID=652
TRAC IRS
Research project based at Syracuse University that collects and reports on IRS enforcement policies and practices.
http://trac.syr.edu/tracirs/
TaxForum
Forum focused on United States tax law.
http://www.TaxForum.us
