6 JUNE 1970, Page 26

Shadow of the Urals

Sir: Professor Beloff (30 May) asks: 'Marshal Voroshilov, we are told, was thought by Stalin to be a British agent. How does Pro- fessor Laqueur know what Stalin really thought about this or anything else?' May I refer him to Mr Khrushchev's speech before the Twentieth Congress (The anti-Stalin Campaign and International Communism, Columbia University Press, New York, 1956, page 84)? Walter Laqueur Director, Institute of Contemporary History and Wiener Library, 4 Devonshire Street, London wl