Codice Voynich (in Italian). Roma, IT: Eremon Edizioni. ISBN 978-88-89713-17-4. Violat-Bordonau, Francisco (2006). El ABC del Manuscrito Voynich (in Spanish)...

illustrations in the Voynich Manuscript match plant illustrations from the Libellus de Medicinalibus Indorum Herbis, suggesting that the Voynich Manuscript originated...