36 &author-element; Progress Publishers

Moscow

1971 1900-1923 Rothstein Andrew Sdobnikov Yuri 725 NONE NONE First printing 1966. Second printing 1971. 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.