Tremendous, 20-volume scholarly work from the Smithsonian Institution covering all aspects of tribes' life and culture. Excellent bibliographies.
Encyclopedia of the North American Colonies
Call Number: Clapp Reference E45 .E53 1993
Very useful chapters on Native American life and culture during the colonial period, especially interactions with different groups of European colonists.
Encyclopedia of American Indian Wars
Call Number: Clapp Reference E81 .K44 1997
Covers the major conflicts between American Indian tribes and Euro-American settlers from the arrival of Columbus to the Battle of Wounded Knee