Title
The codebreakers : the story of secret writingCatalog Number
102632126Type
DocumentDescription
Includes bibliographical references.Date
1967Author
Kahn, DavidPublisher
Macmillan Publishing CompanyPlace of Publication
New YorkIdentifying Numbers
| ISBN10 | 0025604600 |
| LCCN | 63-16109 |
| LOC call num | Z103 .K28 |