Official website of the Smithsonian, the world's largest museum and research complex, with 19 museums, 9 research centers, and affiliates around the world.
Pioneering the future in space exploration, scientific discovery and aeronautics research. Contains many pictures and other primary sources.
- National Archives and Records Administration
National archives site that allows access to many primary sources.
Great site to find primary source documents. It's very easy to use.
- South Dakota State Archives
The State Archives of the South Dakota State Historical Society collects, appraises, accessions, describes, organizes, preserves, determines significance, and makes available manuscript collections, South Dakota state, county, and town government records, photographs, maps, and other archival materials which have permanent historical and research value.
- South Dakota Official State Homepage
Official site of South Dakota State government.
- South Dakota State Library: Digital Collections. These collections are best viewed using Google Chrome
This cite will give access to SD reports.
- Home | Library of Congress
Great place for primary sources.