Heilbroner, Robert L. The worldly philosophers : the lives, times, and ideas of the great economic thinkers / by Robert L. Heilbroner. - 4th ed. - New York, N.Y. : Simon & Schuster, 1972. - 347 p. - A Touchstone Book. . Includes index. ISBN: 671213261 Subjects--Topical Terms: Economists--Biography.Economics--History.