Columbia subject headings:
Harvard subject headings:
Immigrants--Texas.
Internal migrants--Texas.
Mexicans--Texas.
Mexico--Emigration and immigration.
Migration, Internal--Texas.
Texas--Emigration and immigration.
Princeton subject headings:
Immigrants--Texas.
Internal migrants--Texas.
Mexicans--Texas.
Mexico--Emigration and immigration.
Migration, Internal--Texas.
Texas--Emigration and immigration.