BBC
Bbc News: Early Humans Followed the Coast
The theory of coastal migration of early Americans down the coast of California has been gaining much consideration. Read about some of the evidence supporting this theory.
Nature Research
Nature News and Comment: Ancient Migration: Coming to America
A May, 2012 news feature from Nature magazine looks again at early migration theories that brought man across the Arctic to America. Was Clovis man really the earliest?
Wikimedia
Wikipedia: Indigenous Peoples of the Americas
Looks at migration theories proposed in regard to the early peopling of the Americas, European colonization, early agriculture and culture. Also looks at contemporary indigenous groups, then groups within each country in the Americas.
University of Calgary
Peopling North America: Theories Regarding First Migrations to the Americas
An overview of the multiple theories of the earliest migrations into North America.
Other
Mitochondrial Dna Adaptations in Human Population (2004)
Hawks's research involves the use of mtDNA studies to hypothesize the ability to survive in certain climatic zones.
BBC
Bbc: North America's First People
Easy-to-understand explanations for the theories revolving around first Americans. Each theory: Clovis First and Pacific Coast Route, is explained as well as the basis for the debate.
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
Exploring the Past: An Archeological Journey
Through an overview of past archeological expeditions, the author recounts the "Land Bridge" theory and delves into the life of the first inhabitants of North America.
ClassFlow
Class Flow: Unit 1 Early Life in the Western Hemisphere
[Free Registration/Login Required] This flipchart is a great unit for teaching how the early people migrated to the Americas through the Land Bridge Theory and some of the different characteristics of the Native America's culture.