The most mysterious manuscript : the Voynich "Roger Bacon" cipher manuscript /

Bibliographic Details
Other Authors:	Brumbaugh, Robert S. (Robert Sherrick), 1918-1992
Format:	Book
Language:	English
Published:	Carbondale : Southern Illinois University Press, [1978]
Subjects:	Bacon, Roger, > 1214?-1294. Ciphers.

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