New Jersey Forms –
http://www.state.nj.us/treasury/taxation/taxprnt.shtml
Pennsylvania Forms –
http://www.revenue.pa.gov/formsandpublications/pages/default.aspx#.Vkn-Y4mFMdU
New York Forms –
https://www.tax.ny.gov/forms/
Delaware Forms –
http://revenue.delaware.gov/