- Department of Homeland Security, Bureau of Citizenship and Immigration Services main directory of forms, including current application fees
- U.S. Department of Homeland Security (DHS)
- U.S. DHS Bureau of Citizenship and Immigration Services (USCIS)
- U.S. DHS Bureau of Immigration and Customs Enforcement (ICE)
- ICE SEVIS Information Page
- U.S. Department of State
- U.S. Department of State Director of Embassies and Consulates around the world
- U.S. Social Security Administration
- Directory of Foreign Embassies/Consulates in the U.S.
