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

Statutes

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.

Decisions

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

• AILA's Asylum Primer: A Practical Guide to U.S. Asylum Law and Procedure (American Immigration Law Foundation, 2021). Also available on AILALink. 
   
• Kurzban's Immigration Law Sourcebook (American Immigration Law Foundation, 1990-).
  Also available on AILALink. 
   
• Richard D. Steel, Steel on Immigration Law (West, 2011-).
  Available on Westlaw. Type Steel on Immigration Law into search box and click on drop down link.
   
• David S. Weissbrodt, Immigration Law and Procedure in a Nutshell (7th ed., West Group, 2017). 
  Available on West Academic.
   
• Charles Gordon and Stanley Mailman, Immigration Law and Procedure (Rev. ed., Bender, [1966]-).
  Available on Lexis Advance. Type Immigration Law and Procedure into search box and click on drop down link. 
   
• Fragomen Immigration Handbooks - Available on Westlaw.
  Type Fragomen Immigration Handbooks into search box and click on drop down link.
   
• Immigration Court Practice Manual (Executive Office for Immigration Review). 
  Available on Westlaw. 
   
• Immigration Law Service. 
  Available on Westlaw. Type Immigration Law Service into search and click on drop down link.
   
• Immigration Law and Defense (West, 2012-).
  Available on Westlaw.  Type Immigration Law and Defense into search and click on drop down link.
   
• Ninth Circuit Immigration Outline (2020).

Forms

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

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