Books about Bacon, Francis, 1561-1626 -- Cipher
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 Ciphers for the little folks :  A method of teaching the greatest work of Sir Francis Bacon, baron of Verulam, viscount St. Albans
Dorothy Crain Ciphers for the little folks :  A method of teaching the greatest work of Sir Francis Bacon, baron of Verulam, viscount St. Albans
Dorothy Crain
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 Concerning the bi-literal cypher of Francis Bacon discovered in his works
Elizabeth Wells Gallup Concerning the bi-literal cypher of Francis Bacon discovered in his works
Elizabeth Wells Gallup
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 Mystery of Francis Bacon
William T. Smedley Mystery of Francis Bacon
William T. Smedley
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