Friedman, William F. 1891-1969
The Shakespearean ciphers examined - Cambridge : University of Cambridge, 1957. - xviii, 304 páginas : láms., foto, tablas, diagr.
An analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him
Literatura Inglesa
Reino Unido
The Shakespearean ciphers examined - Cambridge : University of Cambridge, 1957. - xviii, 304 páginas : láms., foto, tablas, diagr.
An analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him
Literatura Inglesa
Reino Unido