Department of Homeland Security

• Citizenship and Immigration Services (CIS)
  • Forms - Most forms are provided free of charge in PDF format
• Customs and Border Protection (CBP)
• Immigration and Customs Enforcement (ICE)
• The USCIS Affirmative Asylum Procedures Manual

Department of Justice

• Executive Office for Immigration Review
• Executive Office for Immigration Review Virtual Law Library
• Office of Immigration Litigation
• Board of Immigration Appeals within the Executive Office for Immigration Review
• Office of Special Counsel for Immigration-Related Unfair Employment Practices
• Office of the Chief Immigration Judge
• Office of the Chief Administrative Hearing Officer
• EOIR Self-Help Legal Centers
• Immigration Court Practice Manual
• U.S. Department of Justice, Board of Immigration Appeals Practice Manual 

Department of State

• Bureau of Consular Affairs
• U.S. Consuls
• Bureau of Population, Refugees, and Migration (PRM)
• Office of Visa Services
• U.S. Department of State: Foreign Affairs Manual (FAM) and associated Foreign Affairs Handbooks (FAHs)

Department of Labor

• Wage and Hour Division Administered Immigration Programs
• Board of Alien Labor Certification Appeals (BALCA)

Department of Health and Human Services

• Office of the Administration for Children and Families: Office of Refugee Resettlement