W. G. Krivitsky

title	media type	ISBN-13	year of publication
In Stalin's Secret Service	Paperback	978-1-4067-1543-9	2007
In Stalin's Secret Service	Hardcover	978-0-7567-7457-8	2000
In Stalin's Secret Service: Memoirs of the First Soviet Master Spy to Defect	Paperback	978-1-936274-47-5	2017
In Stalin's Secret Service: Memoirs of the First Soviet Master Spy to Defect	Taschenbuch	978-1-929631-38-4	2014
MI5 Debriefing & Other Documents on Soviet Intelligence	Paperback	978-1-879378-50-6	2004