Accounting Research Manager from CCH provides the complete authoritative texts of major U.S. and International accounting and auditing standards, as well as SEC regulations, along with CCH's interpretative guides, checklists, and samples for particular common problems. The best one-stop shop for accounting material. (Rutgers-restricted Access)
VitalLaw (formerly Cheetah, formerly IntelliConnect) is a comprehensive database of documents related to taxation in the United States. The full text of federal tax law, Internal Revenue Service publications, and numerous interpretive tax guides are available online. Tax reporters for all fifty states are included, as well as current state and federal tax news. The database is fully searchable for free text or individual citations. (Rutgers-restricted Access)
More resources may be found on the guide to research in Accounting & Taxation.