Codes, ciphers, and other secrets

Describes the many ways of hiding the real meaning of what someone is trying to say by using a code or replacing the message with a cipher.

F. Watts
1988
9780531105757
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
38843242121162262153273232411GENE223GENE00544652 MAN65215774597521709567815
152406051542382346153273232411WESE490WESE001797NF-MYSTERY CODES MAN100015814652241736518457
245159559737482416153273232411RCS391RCS0001823652 MAN65216377825731736800991
319385566244821571153273232411231813002300006247R652 MAN65216407292551640729255