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  - 0198225520
PY  - 1981///
CY  - Oxford
PB  - Clarendon Press
N1  - Bibliography : p.(469)-490
ER  -