Columbia subject headings:
Columbus Quincentenary, 1992-1993.
United States--Civilization--Mexican influences.
United States--Civilization--Spanish influences.
Harvard subject headings:
Mexicans--United States--History.
Spaniards--United States--History.
United States--Civilization--Hispanic influences.
Princeton subject headings:
Mexicans--United States--History.
Spaniards--United States--History.
United States--Civilization--Hispanic influences.