The links below will take you directly to the appropriate government Web site for each document. W4-        www.irs.gov/pub/irs-pdf/fw4.pdf W11-     www.irs.gov/pub/irs-pdf/fw11.pdf I9-          www.uscis.gov/files/form/i-9.pdf   in English I9-           www.uscis.gov/files/form/i-9_spanish.pdf in Spanish MOW4-    dor.mo.gov/forms/MO-W-4_2010.pdf W9-        www.irs.gov/pub/irs-pdf/fw9.pdf