TY  - BOOK
AU  -  Petrov,Vladimir Mikhaelovich
AU  -  Petrov,Evdokia
TI  -  Empire of fear / 
U1  -  364.13 PET 
PY  - 1956///
CY  -  London : 
PB  -  A. Deutsch , 
KW  -  Espionage, Russian
N1  -  '' The story of...(the authors) lives in the Soviet Union, and espec ially... as permanent career officers of the most secret organ of the S oviet State, at various times known as the O.G.P.U., N.K.V.D., M.G.B., and M.V.D."
ER  -