Alvarez del Vayo, Julio, 1891-, The march of socialism [print] J. Alvarez del Vayo. Translated by Joseph M. Bernstein. - New York, Hill and Wang (c)1974. - 426 pages 21 cm. LCCN: 73080221 Subjects--Uniform Titles: Socialismo storia. Subjects--Topical Terms: Revolutions--History. LC Class. No.: HX36.A473.M373 1974 HX36