National Humanities Center
National Humanities Center: America in Class: Becoming Modern: America in the 1920s: Prosperity
Collection of six sections with primary resource material on the prosperity achieved during the 1920s explores consumerism, labor, and business. Includes notes, discussion questions and links to supplemental sources.
Other
Tax History Project: Was Andrew Mellon Really the Supply Sider
A look at Andrew Mellon's policies as Secretary of the Treasury under three different presidents in the lead-up to the Great Depression.
Country Studies US
Country Studies: The Booming 1920s
A good overview of the policies of the Republican administrations in the 1920s that promoted favorable conditions for U.S. industry. Read about how these policies were a disaster for the farm economy.