University of California
Beringia Chronology: Prehistoric Beringia
The last ice age exposed the ocean floor between Asia and North America for thousands of years. During this time, Nomadic tribes from Asia used the "land bridge" to migrate into North America.
Other
Kushan History: Glossary
A glossary to assist your study of Kushan history that includes entries for countries, cities, rulers, religions, and the like.