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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,

Xehetasun bibliografikoak
Egile nagusia: Friedman, William F.
Beste egile batzuk: Friedman, Elizebeth
Formatua: Printed Book
Argitaratua: Cambridge [Eng.] University Press, 1957.
Gaiak:
Deskribapena
Deskribapen fisikoa:4 p. l., vii-xvi p., 1 l. 1-302 p. 1 l. illus.