Columbia subject headings:
Harvard subject headings:
America--History--To 1810--Congresses.
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Peru--History--1548-1820--Congresses.
Spain--Colonies--America--History--Congresses.
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558--Congresses.
Peru--History--1548-1820--Congresses.
Spain--Colonies--America--History--Congresses.