Columbia subject headings:
Indians--First contact with other peoples--Congresses.
Latin America--Civilization--Spanish influences--Congresses.
Latin America--Relations--Spain--Congresses.
Spain--Relations--Latin America--Congresses.
Harvard subject headings:
Indians--First contact with Europeans--Congresses.
Latin America--Civilization--Congresses.
Latin America--History--To 1830--Congresses.
Mexico--Civilization--Spanish influences--Congresses.
Mexico--History--To 1810--Congresses.
Princeton subject headings:
Indians--First contact with Europeans--Congresses.
Latin America--Civilization--Spanish influences--Congresses.
Latin America--Relations--Spain--Congresses.
Spain--Relations--Latin America--Congresses.