Cover of Secreta Secretorum (Antwerp: Mathias van der Goes, c. 1486-91)

Secreta Secretorum (Antwerp: Mathias van der Goes, c. 1486-91)

Pseudo-Aristotle (trans. Philip of Tripoli)

Public domain

Incunable Latin edition of the 'Secretum secretorum' (Secret of Secrets), the medieval pseudo-Aristotelian letter of advice to Alexander the Great that blends statecraft, medicine, physiognomy, astrology and alchemy. A 22-leaf fifteenth-century printing from Antwerp, catalogued by NLM among its Incunabula. Digitized by the U.S. National Library of Medicine (public domain).

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