Columbia subject headings:
Foreign workers--United States.
Illegal immigration--United States.
Noncitizens--United States.
Sanctions, Administrative--United States.
Stevedores--Legal status, laws, etc.--United States.
Harvard subject headings:
Princeton subject headings:
Emigration and immigration law--United States.
Foreign workers--United States.
Stevedores--Legal status, laws, etc.--United States.