Columbia subject headings:
Emigration and immigration law--Mexico--Tamaulipas (State)
Law--Texas.
Naturalization--Mexico.
Tamaulipas (Mexico : State)--Public lands.
Harvard subject headings:
Emigration and immigration law--Mexico--Tamaulipas (State)
Emigration and immigration law--Mexico--Tamaulipas.
Law--Mexico--Coahuila and Texas.
Naturalization--Mexico.
Public lands--Mexico--Tamaulipas (State)
Public lands--Mexico--Tamaulipas.
Princeton subject headings: