Columbia subject headings:
Latin America--Emigration and immigration--Congresses.
Latin Americans--United States--Congresses.
Mexicans--United States--Congresses.
Mexico--Emigration and immigration--Congresses.
United States--Emigration and immigration--Congresses.
Harvard subject headings:
Emigration and immigration--Social aspects--Congresses
Latin America--Emigration and immigration--Social aspects--Congresses.
Latin Americans--United States--Congresses.
Mexicans--United States--Congresses.
Mexico--Emigration and immigration--Social aspects--Congresses.
Transnationalism--Congresses.
United States--Emigration and immigration--Social aspects--Congresses.
Princeton subject headings:
Latin America--Emigration and immigration--Congresses.
Latin Americans--United States--Congresses.
Mexicans--United States--Congresses.
Mexico--Emigration and immigration--Congresses.
Transnationalism--America--Congresses.
United States--Emigration and immigration--Congresses.