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UC Berkeley School of Law Library UC Berkeley School of Law Library BerkeleyLaw Library

Refugee Law: Country Conditions/Country of Origin: Immigration Law

Researching US Immigration Law

Westlaw and Lexis have topical Immigration libraries.

Westlaw: Home > Practice Areas > Immigration
Includes cases, statutes, court rules, regulations, administrative decisions, secondary source, forms, and more.

Lexis: Home > Practice Area or Industry > Immigration
Cases, statutes, regulations, secondary sources, forms, more.

American Immigration Lawyers Association (AILA)
One-stop immigration law research portal. Contains primary law as well as AILA practice publications.

Primary Law


Title 8 of the United States Code - "Aliens and Nationality"

Immigration and Nationality Act (U.S. Citizenship and Immigration Services)

Statutes are available from the Immigration collections noted above on Westlaw and Lexis.


Both Westlaw and Lexis have cases and administrative decisions in their Immigration collections noted above.  Look for Administrative Decisions or Administrative Materials.

Administrative Decisions under Immigration & Nationality Laws (GPO, 1943-). Available on DOJ website.
Precedent (and indexed) AG/BIA decisions.  Includes BIA Interim Decisions. Cited as "I&N Dec."

Attorney General and BIA Precedent Decisions (DOJ website).

Interpreter Releases.  Available on Westlaw

Secondary Sources


  • Westlaw -- Select "Forms" and then "Forms by Topic"
  • Lexis -- Select "Forms" and then "Practice Area"
  • Many of the secondary sources noted above also contain forms.

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