TY  - BOOK
AU  - Leggett,George
TI  - The Cheka: Lenin's political police ; the All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage (December 1917 to February 1922) 
SN  - 0198228627
PY  - 1986///
CY  - Oxford [u.a.]
PB  - Clarendon Press
KW  - Tscheka
KW  - Sowjetunion
ER  -