You can find them in these links below:
http://www.irs.gov/formspubs/index.html
Or:
http://www.irs.gov/app/picklist/list/priorFormPublication.html?value=1040&criteria=formNumber&submitSearch=Find
Form 1040EZ :
http://www.irs.gov/pub/irs-prior/f1040ez--2010.pdf
Tax table is on 1040 EZ instruction, page 27, if income is $100,000 or over use 1040 instruction, from page 74 or 86
1040-EZ instruction:
http://www.irs.gov/pub/irs-prior/i1040ez--2010.pdf
1040 instruction
http://www.irs.gov/pub/irs-prior/i1040--2010.pdf
For 2011, use search box on www.irs.gov, you have this link:
http://search.irs.gov/web/query.html?col=allirs&charset=utf-8&qp=&qs=-Wct%3A%22Internal+Revenue+Manual%22&qc=&qm=0&rf=0&oq=&qt=1040&search.x=21&search.y=16
For State Kansas tax forms:
http://www.ksrevenue.org/formsii.html