PBS
Pbs: The Native Americans
The Corps of Discovery came into contact with "Nearly 50 Native American tribes." This site from PBS discusses the tribes that had the most significant interactions with Lewis and Clark.
Other
Mises Institute: The Last Indian War [Pdf]
This passionate essay provides an informative history of the battles between Northwest Indians and the US in the 1960s over fishing rights and broken treaties.
PBS
Pbs: Chinook Indians
Here is an excellent description of the encounter between Lewis and Clark and the Chinook Indians of the Northwest.
US National Archives
Docsteach: Indian Nations vs. Settlers on the American Frontier: 1786 1788
In this activity, students will compare and contrast two documents from the Revolutionary period written by 1) a combined group of Native American tribes and 2) an American territorial governor, Arthur St. Clair. Students will analyze...
Library of Congress
Loc: Native American Reference Weblist
The Library of Congress provides a series of sites about Native Americans, featuring their history, literature and culture, news and current events,government and law, their libraries, museums, and archives, and, lastly, their tribes and...