American Indian and Alaska Native Populations
United States Census data on Native Americans and Hispanics

Constitutions
Constitutions of Indian nations

Indian Reorganization Act Documents
Constitutions and charters of Native American villages and tribes.

Omaha Indian Music
Omaha Indian music dating from 1895. Also photographs, songs and speeches.

Edward S. Curtis's North American Indian
Twenty volumes of photographs by Edward S. Curtis, the most famous and prolific photographer of the American Indian.

Southeastern Native American Documents 1763-1842
Southeastern Native American Documents 1730-1842. Digitized documents pertaining to the Native Americans of the Southeastern United States. Letters, legal proceedings, financial papers, etc.

Index of Native American History Resources
A good collection of photographs. Scroll down to the bottom of the page and click: "On Photographs & Photographic Archives." Material from National Archives, Edward Curtis and others.

Avalon Project
Early legal documents between the United States federal government and native Americans

American Indian Language Resources
Scroll down to "Dictionaries, Fonts and Specific Languages According to Family" for information, written samples, and spoken text of Native American languages.

American Indians of the Pacific Northwest
Over 2,300 photographs and 7,700 pages of text relating to the American Indians of the Pacific Northwest.