Use the GMU Libraries e-Journal Finder to search for any journal by title to gain online access. The University's Libraries subscribe to various tax jounals in the area of law and other areas such as economics and business.
The Library has a number of historic journals which address various areas of tax law. Most of the same resources can also be found using Hein Online.
Searching the Library catalog should identify various access points, both online and in print.
CCH Tax Research Network contains tax news as well as federal and state tax information, including Federal Tax Day. Limited access, see Reference office.
RIA Tax Watch has daily reports of all significant federal tax legislative developments.