Cowan, Paul. <br/><br/>
State secrets :  police surveillance in America / 
by Paul Cowan, Nick Egleson, and Nat Hentoff, with Barbara Herbert and Robert Wall. 
 - New York :  Holt, Rinehart and Winston,  1974. 
 - xi, 333 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0030010314 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Privacy, Right of--United States.<br/>Intelligence service--United States.