US National Archives
Nara: Teaching With Documents: Little House in Census: Almanzo and Laura Wilder
Data from the 1880 and the 1900 Censuses, and how these relate to the lives of Almanzo and Laura Ingalls Wilder, are presented here. There are also ideas for teaching using primary sources.
Other
The Weekly South Dakotan: South Dakota History for 4th Grade
From the very beginning and through the twentieth century, this comprehensive collection of lessons will enrich students studying the history in between and the effects on South Dakota.