Maine IRS income tax web site: http://www.maine.gov/revenue/forms/1040/2012.htm
1040ME form booklet (forms & instructions): http://www.maine.gov/revenue/forms/1040/2012/12_1040MEBook_downloadable.pdf
1040ME form: http://www.maine.gov/revenue/forms/1040/2012/12_1040ME_downloadable.pdf
The 1040S-ME is no longer available.
Federal
Federal IRS forms and publications web site: http://www.irs.gov/Forms-&-Pubs
Federal 1040 form: http://www.irs.gov/pub/irs-pdf/f1040.pdf
Federal 1040 instructions (do not print): http://www.irs.gov/pub/irs-pdf/i1040.pdf
Federal 1040ez form: http://www.irs.gov/pub/irs-pdf/f1040ez.pdf
Federal 1040ez instructions: http://www.irs.gov/pub/irs-pdf/i1040ez.pdf