Ahmad Y. al-Hassan, The Arabic Original of Liber de Compositione Alchemiae, The Epistle of Maryānus, the Hermit and Philosopher, to Prince Khālid ibn Yazīd, Arabic Sciences & Philosophy, vol. 14 (2004), pp. 213-231. The Book of the Composition of Alchemy is believed to be the earliest alchemical text to be translated from Arabic into Latin. It was translated by Robert of Chester, an Englishman, on February 11, 1144. Morienus was a Greek (Rumi) Christian living as a recluse in the mountains of Jerusalem.
Adam McLean, The Book of the Composition of Alchemy.
L. Stavenhagen, The Original Text of the Latin Morienus, Ambix, vol. 17 (March 1970), pp. 1-12.
