Voice of the Shuttle - U.S. History
Meta-index of U.S. history Web sites.
Voice of the Shuttle's mission has been to provide a structured and briefly annotated guide to online resources. VoS emphasizes both primary and secondary (or theoretical) resources, and defines its audience as people who have something to learn from a higher-education, professional approach to the humanities.
Link to resource:
Voice of the Shuttle - U.S. History
Fulltext available: Primary Sources (Historical)