TribalNationsMaps.com has a wonderful large-scale map that displays Native American and First Nation Tribes ranging from Alaska and the Yukon territories, through British Columbia, Washington, Oregon, Idaho, California, and Nevada.
One of the best interactive digital maps available that represent Indigenous territories, languages and treaties around the world with a focus on Canada, the US, Australia and New Zealand.
Handbook of North American Indians, Volumes 2-15 & 17 by 
An Historical Atlas of Early Oregon