Wolff, Robert Paul, In defense of anarchism / En defensa del anarquismo Robert Paul Wolff - 1a ed. - New York : Harper torchbooks, Harper & Row, 1970 - 86 p. ; 20 cm. - (Harper essays in philosophy) . Subjects--Topical Terms: Autoridad Democracia Anarquismo --Estado LC Class. No.: JC571 / W86 1970