Hingley, Ronald. <br/><br/>
The Russian secret police:  Muscovite, Imperial Russian and Soviet Political security operations, 1565-1970. 

 - London,  Hutchinson,  1970. 
<br/><br/>Bibliography: p. [283]-296. 
<br/><br/><label>ISBN: </label>0091041406  60/- 
<br/><br/><label>LCCN: </label>71539968 //r86 
<br/><br/><label>Nat. Bib. No.: </label>B70-25109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Secret service -- Soviet Union.--Secret service -- Soviet Union.<br/>Intelligence service -- Soviet Union.--Intelligence service -- Soviet Union.
<br/><br/><label>LC Class. No.: </label>HV8224  / .H53 
<br/><br/><label>Dewey Class. No.: </label>363.2/0947