Columbia subject headings:
Communicable diseases--Transmission--Mexican-American Border Region--Prevention--History.
Emigration and immigration--Health aspects--Mexican-American Border Region--History.
Mexican-American Border Region--History.
Public health--Mexican-American Border Region--History.
Harvard subject headings:
Communicable diseases--Transmission--Mexican-American Border Region--Prevention--History.
Emigration and immigration--Health aspects--Mexican-American Border Region--History.
Mexican-American Border Region--History.
Public health--Mexican-American Border Region--History.
Princeton subject headings:
Communicable diseases--Transmission--Mexican-American Border Region--Prevention--History.
Emigration and immigration--Health aspects--Mexican-American Border Region--History.
Mexican-American Border Region--History.
Public health--Mexican-American Border Region--History.