Kalven, Harry. The uneasy case for progressive taxation / by Walter J. Blum and Harry Kalven, Jr. - Chicago : University of Chicago Press, c1953 [Reprint 1958]. - vii, 107 p. ; 25 cm. Includes Index. Subjects--Topical Terms: Progressive taxation.Income tax--United States. Dewey Class. No.: 336.293 / KAU 1958