Corera , Gordon. <br/><br/>
Secret Pigeon Service : Operation Columba Resislance and The Stuggle to Liberate Europe /   
Gordon Corera. 
 - London :  William collins.  © 2018. 
 - 371 p. ;  23 Cm.  ill , include index ; 
<br/><br/>include index  
<br/><br/>Bibliography - 289 - 312 
<br/><br/>Arzina  Arzina 
<br/><br/><label>ISBN: </label>9780008220310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Europe History.
<br/><br/><label>Dewey Class. No.: </label>940 / C81s