TRAC IRS - Research project based at Syracuse University that collects and reports on IRS enforcement policies and practices. - http://trac.syr.edu/tracirs/
Allexperts.com - Volunteers, including tax professionals, answer your questions about taxes. - http://www.allexperts.com/browse.cgi?catLvl=2&catID=652
TaxAlmanac - Collaborative tool for online tax research. - http://www.taxalmanac.org/
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/
TaxTopics.net - Directory of tax guides and resources. - http://www.taxtopics.net/
Taxman International - Directory of governmental tax agencies. - http://www.xs4all.nl/~edvisser/taxman/
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/
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
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/
Will Yancy's Home Page - Extensive collection of links to tax, accounting, finance, law, and related web sites. - http://www.willyancey.com/
Internal Revenue Code - United States Internal Revenue Code, published by Cornell University. - http://www4.law.cornell.edu/uscode/26/
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/
Taxaway - Daily tax tips, tax news items, and helpful information for US and UK taxpayers. - http://www.taxaway.com/
Sister States Tax Directory - Links to the web pages for each state's Department of Revenue and official tax forms. - http://www.sisterstates.com/