16 &author-element; Progress Publishers

Moscow

1974 September 1909-December 1910 Dutt Clemens 485 NONE NONE First printing 1963. Second printing 1967. Third printing 1974. Printed in the Union of Soviet Socialist Republics THE RUSSIAN EDITION WAS PRINTED IN ACCORDANCE WITH A DECISION OF THE NINTH CONGRESS OF THE R.C.P.(B.) AND THE SECOND CONGRESS OF SOVIETS OF THE U.S.S.R.