Indigenous People's Literature
Here's a large collection of texts and links to Native American Literature.  Organized by tribe, theme, and more. Includes sections for the following tribes: Absarokee (Crow), Arikara, Blackfoot Piegan, Cree, Hidatsa, Lakhota/Dakhota/Nakhota (Sioux), Mandan, and many more. 

North American Native Authors Catalog
This online bookstore specializes in books by native authors.  But even if you don't buy a book, you can browse the list of books and their descriptions.  You can search the site by topic, author, title, and tribe. This site also includes books of literary analysis.

Wordcraft Circle of Native Writers & Storytellers
From the web site,  the Wordcraft Circle's vision is "to ensure that the voices of Native writers and storytellers -- past, present, and future -- are heard throughout the world."  The organization publishes Native Writers and Storytellers (formerly Mocassin Telegraph), which contains news of interest to Native writers and storytellers as well as a showcase of their works.

Bibliography of Native American Writers, 1772-Present
This page points to citations of the works of Native American writers, which include: poetry; drama; fiction; essays on historical, political, and social topics; myths and legends; satirical pieces in various dialects; personal reminiscences; letters and communications to the federal government; legal documents such as treaties, laws, and case briefs; and others.  Part of the American Native Press Archives web site.

Voices from the Gaps: Women Writers of Color
This site includes biographies of more than twenty-five Indigenous/Native American women writers.

Online Books by or about Native Americans
From the Electronic Text Center, University of Virginia Library web site.