Smithsonian Institution 
Handbook of South American Indians [PDF ebook] 
The Circum-Caribbean Tribes

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The Southern Highlands The Nicaraguan Highlands The Nicaraguan Lowland The Eastern Coastal Plain. The Northern Coastal Plain Tribal divisions and history.