The  Shakespearean ciphers examined
Subtitle: an analysis of cryptographic systems used as evidence that some author other thanWilliam Shakespeare wrote the plays commonly attributed to him
By: by W.F. Friedman and E.S. Friedman.
Contributors: Friedman, E. S.
Publisher: C.U.P.
Published: 1957
Language: eng
Subjects: Shakespeare, William, -- 1564-1616.