Columbia subject headings:
Harvard subject headings:
Foreign workers, Mexican--United States.
Immigrants--Social networks--United States.
Mexicans--Social networks--United States.
Mexico--Emigration and immigration.
United States--Emigration and immigration--Social aspects.
United States--Emigration and immigration.
Princeton subject headings:
Mexicans--Employment--Missouri--El Paso.
Mexicans--Missouri--El Paso.
Mexicans--Social networks--Missouri--El Paso.
Purépecha Indians--Missouri--El Paso.