- Federal Income Tax Forms
Download PDF files of the federal tax forms and instructions you need. To find other federal forms, search by the form name or number or click on "Forms and Publications."
- Illinois Income Tax Forms
Before you print any of these forms, check WebFile your IL-1040 for Free! to see if you qualify for electronic filing of your Illinois tax form. If you don't WebFile, then you can download PDF files of the Illinois tax forms and instructions you need.
- Internet Archive
Search or browse the Internet Archive, a digital collection of historical resources from libraries across the world. It includes texts, audio, moving images, software, and archived websites.
- Library of Congress American Memory Collections
Browse these digital collections of primary documents from American history. They include written documents, recordings, images, prints, maps, sheet music, and more.
- Pew Research Center
Explore the nonpartisan Pew Research Center's publications and research on the issues, attitudes, and trends that shape our world.
