Federal Income Tax Forms and Assistance :

Internal Revenue Service (IRS)
http://www.irs.ustreas.gov

Federal Income Tax Forms and Publications
http://www.irs.ustreas.gov/app/picklist/list/formsInstructions.html

New York State Tax Department
http://www.tax.state.ny.us

Internal Revenue Service
http://www.irs.gov/businesses/corporations/article/0,,id=96739,00.html

Windstar Techologies, Inc
http://www.windstar.com

The Windstar site features articles and reference information on a number of topics of interest to international students, including:
--U.S. taxation of foreign students and scholars: A road map to an individual's tax return
--U.S. Taxation of Foreign Students and Scholars
--Tax Treaty Benefits for Foreign Student and Scholars: How Tax Treaties Work
--The complete text of each country's tax treaty with the U.S.

University of Texas at Austin Self-Help Tax Website
http://www.utexas.edu/international/taxes/