Industrial Espionage: Developing a Counterespionage Program by Daniel J. Benny English | 2013 | ISBN: 1466568143 | ISBN-13: 9781466568143 | 232 pages | PDF | 9,3 MB
Stanley E. Hilton, "Hitler's Secret War In South America, 1939–1945: German Military Espionage and Allied Counterespionage in Brazil" English | ISBN: 0807124362 | | 384 pages | PDF | 20 MB
Harry Rositzke, "The Cia's Secret Operations: Espionage, Counterespionage, And Covert Action" English | ISBN: 036729088X | 2019 | 287 pages | PDF | 7 MB
H. H. A. Cooper, Lawrence J. Redlinger - Catching Spies: Principles and Practices of Counterespionage Paladin Press | 1988 | ISBN: 0873644662 | English | 403 Pages | PDF | 26.96 MB
Naveed Jamali, Ellis Henican, "How to Catch a Russian Spy: The True Story of an American Civilian Turned Double Agent" English | 2018 | ISBN: 1476788839 | EPUB | pages: 304 | 1.1 mb
andrew-christopher, "The Defence of the Realm: The Authorized History of MI5" English | ISBN: 0141023309 | 2010 | 1072 pages | EPUB, MOBI | 4 MB + 6 MB
Double Agent: The First Hero of World War II and How the FBI Outwitted and Destroyed a Nazi Spy Ring by Peter Duffy English | July 22, 2014 | ISBN: 1451667957 | 352 pages | EPUB | 13 Mb