1. Enigma: Code Breaking and the Second World War
by Hoare, Oliver 
Price: USD 3.85
Dealer: ZVAB, Artful Dodger Books
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: U.S.A.: The National Archives] Softcover 28 x 23 cms. .Given the material in the hands of the Public Record Office one would have thought a better selection of vital documents could have been selected.perhaps too much is still deemed to be TOP SECRET. [Geneva, Switzerland] [Publication Year: 2002]  

2. Enigma: Code Breaking and the Second World War
by Hoare, Oliver 
Price: USD 4.00
Dealer: Abebooks, Artful Dodger Books
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: U.S.A.: The National Archives] Softcover 28 x 23 cms. .Given the material in the hands of the Public Record Office one would have thought a better selection of vital documents could have been selected.perhaps too much is still deemed to be TOP SECRET. [Geneva, Switzerland] [Publication Year: 2002]  

3. Enigma: Codebreaking and the Second World War
by Hoare, Oliver 
Price: USD 10.00
Dealer: Abebooks, Thylacine Books
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: United Kingdom: Public Record Office] Softcover dj: none. book: small closed folder with unbound pages inside. unopened. near mint. faint drop of coffee b cover & folder is a little squashed from weight. Language: eng [Fort Worth, TX, U.S.A.] [Publication Year: 2002]  

4. Enigma - Code-breaking and the Second World War - Document Pack
by Hoare, Oliver 
Price: USD 12.00
Dealer: ZVAB, Antiquariaat Coriovallum
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: Public Record Office, London] Hardcover doos met 16 documenten - NIEUWSTAAT [Heerlen, Netherlands] [Publication Year: 2002]  

5. Enigma - Code-breaking and the Second World War - Document Pack
by Hoare, Oliver 
Price: USD 13.23
Dealer: Abebooks, Antiquariaat Coriovallum
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: Public Record Office, London] Hardcover doos met 16 documenten - NIEUWSTAAT [Heerlen, Netherlands] [Publication Year: 2002]  

6. ENIGMA : Codebreaking and the Second World War
by Intro by Oliver Hoare 
Price: USD 13.25
Dealer: Biblio, Schwabe Books
Description: Public Record Office, July, Date: 2002. Paperback. Like New. . Still Sealed in Plastic. Never used! 2002. Public Record Office ISBN 1903365406 9781903365403 [US] 

7. Enigma: Code-breaking and the Second World War (Document Pack)
by Oliver Hoare 
Price: USD 25.73
Dealer: AbebooksUK, Anytime Books
Description: ISBN10: 1903365406, ISBN13: 9781903365403, [publisher: PRO Publications, UK] Softcover Documents from the Public Record Office. 16 facimiles, all present. In card wallet. [London, United Kingdom] [Publication Year: 2002]