Lexis and Westlaw have
Westlaw has the Court of Claims opinions from 1856- present.
For Westlaw and Lexis Advance coverage, see the Compiled Sources of Federal Tax Case Law box on this page.
The Franklin County Law Library provides Westlaw and Lexis Advance on the Library's public computers. On Westlaw, click on Practice Areas, then Tax, then Tax Cases to search the tax case law. On Lexis Advance, click on Practice Area or Industry, then Tax Law, then All Tax Law Cases.
Citators provide parallel citations, the procedural history of the dispute, and citations to later cases and IRS interpretations (such as revenue rulings) that cite the document you are working with. In the Franklin County Law Library Computer Labs, you can access Shepard's on Lexis Advance and Keycite on Westlaw.