Congressional Quarterly Press.
Available online. (W&L subscription)
Contains over 225 tables and charts on American politics dating back to 1788, including data on presidential, gubernatorial, and congressional elections, party competition, public approval of the president, Congress, and the two major political parties, the federal budget and the national debt, and more. Data are supplied in HTML, Excel, and comma-separated variable formats.
Links will be maintained in Annie and in several locations in our Web site, including here.