A great description of Wovoka's religion and the influence of the "Ghost Dance." It also describes how the "Ghost Dance" has evolved since his death.

This primary source set uses documents, photographs, government records, and news reporting to explore the 1890 massacre at Wounded Knee and its historical impact.

This Khan Academy resource provides a table of contents with notes for several sections of AP US History: Period 6: 1865-1898.