Manuscript Illumination with the Martyrdom of Saint Stephen in an Initial E, from a Gradual https://www.rawpixel.com/image/9087669/image-einstein-medieval-letterFree Image from public domain licenseReflection of metro city buildings on glass mirror exterior https://www.rawpixel.com/image/1349/free-photo-image-mirror-glass-city-buildingsView licenseFolio from an Antiphonary with Initial P Containing 'The Ascension of Christ' by called Niccolò di Giacomo da Bologna… https://www.rawpixel.com/image/12038769/image-face-paper-personFree Image from public domain licenseSundial of Ahaz, leaf from the Postilla Litteralis (Literal Commentary) of Nicholas of Lyra https://www.rawpixel.com/image/12490877/image-paper-shadow-bookFree Image from public domain licenseQueen's College, Oxford: bird's eye view and printed text. Line engraving. https://www.rawpixel.com/image/14020629/queens-college-oxford-birds-eye-view-and-printed-text-line-engravingFree Image from public domain licenseReliquary bust of one of Saint Ursula’s virgins (c. 1325 - c. 1349) by anonymous https://www.rawpixel.com/image/13750314/photo-image-arrow-face-personFree Image from public domain license