Tax Regulations and Codes
Federal Tax Law Research Guide, an Oviatt Library subject guide.
Internal Revenue Code is title 26 of the United States Code, a resource which can be searched or browsed.
RIA Checkpoint: Federal tax resources including Federal Tax Handbook, United States Tax Reporter, IRS rulings, legislation, Federal tax cases, Federal Taxes Weekly Alert Newsletter, and 6 tax journals (WG&L). (Oviatt Library subscription).