13 &author-element; Progress Publishers
Moscow
1972 June 1907-April 1908 Isaacs Bernard Dutt Clemens 541 NONE NONE First printing 1962. Second printing 1972. 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.