Federal & state tax

  • Legalbitstream – Full text of U.S. tax cases, including Tax Court regular and memorandum opinions (back to 1990). Also links to full text of IRS revenue rulings (back to 1954), private letter rulings (back to 1979), general counsel memoranda (back to 1982), and more.
  • Cumulative Bulletins – Links to PDF versions of the IRS Cumulative Bulletin back to 1995.
  • State taxation statutes – Links to taxation statutes for all 50 states.


  • – Includes general and economic surveys, as well as detailed tax information for numerous countries.
  • International Tax – Links to tax treaties, international tax associations, and other collections of international tax resources.


Associations & agencies

Journals, news & articles

  • TaxProphet – Original articles on wealth management, ESOs, and general tax issues.
  • The Tax Adviser – Monthly publication of the AICPA. Online archive back to 1997.
  • CNNMoney – News and analysis on tax, retirement, insurance, personal finance, and more.

Research guides