The Shakespearean ciphers examined ; an analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed tohim / by William F. Friedman & Elizabeth S. Friedman.
| Author/creator | Friedman, William F. |
| Other author | Friedman, Elizabeth, 1892-1980. |
| Format | Book |
| Publication Info | Cambridge [Eng.] : University Press, 1957. |
| Description | 4 preliminary leaves, vii-xvi, 302 pages : illustrations ; 22 cm |
| Subjects |
| LCCN | 57014933 |