Columbia subject headings:
Immigrants--New York (State)--New York--Social conditions.
Mexican Americans--New York (State)--New York--Social conditions.
Mexico--Relations--United States.
New York (N.Y.)--Emigration and immigration.
New York (N.Y.)--Ethnic relations.
Puebla (Mexico : State)--Emigration and immigration.
Transnationalism.
United States--Relations--Mexico.
Harvard subject headings:
Immigrants--New York (State)--New York
Mexicans--New York (State)--New York--History--20th century.
Mexicans--New York (State)--New York--Social life and customs--20th century.
New York (N.Y.)--Emigration and immigration--History--20th century.
Puebla (Mexico : State)--Emigration and immigration--History--20th century.
Princeton subject headings: