Montana Law
- Montana Constitution
- Montana Code
- Administrative Rules of Montana
- Montana Administrative Register
- Montana Supreme Court Opinions
- Montana Attorney General Opinions
- Montana Law Links - William J. Jameson Law Library, University of Montana School of Law
- Montana Law - State Law Library of Montana Sidney City Code
- Sidney City Code - Federal Law
- United State Code - GPO Access
- U. S. Supreme Court Opinions - Legal Information Institute Cornell University Law School
- Ninth Circuit Opinions - United States Court of Appeals for the Ninth Circuit (Montana is in the Ninth Circuit)
General Legal Research Sites
- FindLaw
- LexisOne
- Research Tools - William J. Jameson Law Library, University of Montana School of Law
- State Law Library of Montana
- Westlaw Montana Databases - These can be accessed by credit card without having a regular, continuing subscription.