Lorwin, Lewis L. Time for planning: a social-economic theory and program for the twentieth century / Lewis L. Lorwin - New York : Harper & Brothers , 1945 - xxii, 273 p. : ill. ; 22 cm. Includes bibliographical references and index. Subjects--Topical Terms: PlanningEconomic policyTheory Dewey Class. No.: 338.9 / LOR