Internal Revenue Service - U.S. government agency responsible for tax collection and tax law enforcement. Provides downloadable income tax forms, instructions, agency publications, and "The Digital Daily," an almost-humorous online newspaper.

MSN MoneyCentral Taxes - Microsoft's Tax Preparation site, in association with Tax Server.

Allexperts Tax Q&A - Professionals with backgrounds in accounting answering individual tax questions.

AOL Money & Finance - Taxes - Provides information on how to file taxes.

Bankrate.com: News and Advice - Information on all phases of tax planning and preparation.

Epinions: Taxes - Consumer reviews of conventional and online tax preparers, plus buying advice for tax services.

File Manager For Publications - IRS - Forms and Publications

H&R Block - First Filers - Plain-talk tax tips to help working teens handle taxes.

IRS.gov - Understanding Taxes - Offers both print and online materials to help learn more about the history, theory, and application of taxes in the United States.

Tax and Accounting Sites Directory - A comprehensive index of tax and accounting resources on the Internet.

Tax Planning: US - Information on extensions, capital gains, and withholding.

Tax Professional's Corner - IRS website for tax pros.

TaxWorld - Includes a history of taxation, statistics, terms in different languages and a directory.

Timber Taxes - Comprehensive explanation of the tax treatment of timber. Including qualifying for capital gains, casualty losses, income, expenses, and reforestation.

WalletPop: Taxes - Articles, information and resources for personal tax preparation and planning.

Wedding Bells and the Marriage Penalty - Discover how the marriage penalty causes married couples to pay more taxes than their single counterparts. Learn who it hurts, why it is so costly, and how to avoid it.