| Ref No | Shakespeare/1/9/988/25/510108 |
| Finding Number | Shakespeare S 988.25 510108 |
| Title | Secret and urgent : the story of codes and ciphers. |
| Level | Item |
| Date | 1939 |
| Description | General Note: With a chapter entitled "Bacon or Shakespeare?" |
| Extent | 1 |
| Author | Pratt, Fletcher, 1897-1956. |
| Physical Description | 282 p. : ill. ; cm. |
| Access Status | Open |
| Publisher | London : Robert Hale, |