Simons, Henry Calvert, 1899-1946. Personal income taxation : the definition of income as a problem of fiscal policy / by Henry C. Simons - Chicago, Ill. : University of Chicago Press, c1938. - xi, 238 p. ; 21 cm. Includes bibliographical references and index. Subjects--Topical Terms: Income tax--United States. Dewey Class. No.: 336.240973 / SIP 1938