U. S. master tax guide 2007 / CCH. - Chicago, Ill. : CCH Inc., c2006. - 864 p. : ; 23 cm. Includes index. ISBN: 9780808014997 Subjects--Topical Terms: Income tax--United States.--Law and legislationTaxation--United States.--Law and legislation Dewey Class. No.: 337.11 UN IT