Columbia subject headings:
Foreign workers, Guatemalan--Iowa--Postville.
Foreign workers, Mexican--Iowa--Postville.
Illegal immigration--Iowa--Postville.
Noncitizens--Iowa--Postville.
U.S. Immigration and Customs Enforcement.
United States--Emigration and immigration.
Harvard subject headings:
Deportation--United States
Foreign workers, Guatemalan--Iowa--Postville.
Foreign workers, Mexican--Iowa--Postville.
Illegal immigration--Iowa--Postville.
Immigration enforcement--United States
Noncitizens--Iowa--Postville.
Postville Immigration Raid, Postville, Iowa, 2008
U.S. Immigration and Customs Enforcement
United States--Emigration and immigration.
Princeton subject headings: