The Shakespearean ciphers examined; an analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him, 著者： William F Friedman; Elizebeth Friedman 类型：  图书 出版商： Cambridge [Eng.] University Press, 1957.

公共列表，其中包括 "The Shakespearean ciphers examined; an analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him,"