Robertson, K. G. <br/><br/>
Public secrets :  a study in the development of government secrecy / 
K. G. Robertson 
 - London :  Macmillan,  1982 
 - ix, 216 p. ;  23 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0333320085  PND 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Official secrets<br/>Secrecy--Law and legislation
<br/><br/><label>Dewey Class. No.: </label>351.8