Columbia subject headings:
America--Antiquities.
Eurasian school.
Europe--Antiquities.
Europe--History--To 476.
Human beings--Migrations.
Indians--Origin.
Harvard subject headings:
America--Antiquities.
Eurasian school.
Europe--Antiquities.
Europe--History--To 476.
Human beings--Migrations
Indians--Origin
Princeton subject headings:
America--Antiquities.
Eurasian school.
Europe--Antiquities.
Europe--History--To 476.
Human beings--Migrations.
Indians--Origin.