In 1987 Leo Levitov published 'Solution of the Voynich Manuscript: A liturgical Manual for the Endura Rite of the Cathari Heresy, the Cult of Isis' (the Egyptian goddess - Wikipedia page [1]).

Jacques Guy's article 'On Levitov's Decipherment of the Voynich Manuscript' (1991) can be found here

Dennis J Stallings' 1998 critique is here.

See also the Wikibooks page [2].

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