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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.

The Purdue OWL: APA Style Guide

Consult the Purdue University Online Writing Lab (OWL) for assistance formatting papers in the APA style.

The Purdue OWL: Chicago Manual of Style

Find the specifics for using the Chicago Manual of Style at the Purdue University Online Writing Lab (OWL).

The Purdue OWL: MLA Style Guide

Refer to the Purdue University Online Writing Lab (OWL) for instructions on how to format papers in the MLA style.