Four figures: the Great Emir of the Arabs of the desert; a criminal manacled at the neck in Persia; an itinerant dervish; a monk of the order of Edemites. Engraving by J. Folkema, 17--.

Licence: Public Domain Mark

Credit: Four figures: the Great Emir of the Arabs of the desert; a criminal manacled at the neck in Persia; an itinerant dervish; a monk of the order of Edemites. Engraving by J. Folkema, 17--. Wellcome Collection. Source: Wellcome Collection.