Joannes Heurnius. Line engraving attributed to A. Bosio, 1666. https://www.rawpixel.com/image/13955084/joannes-heurnius-line-engraving-attributed-bosio-1666Free Image from public domain licenseHoofd van een jonge vrouw, met neergeslagen blik (1601 - 1666) by Guercino https://www.rawpixel.com/image/13786278/hoofd-van-een-jonge-vrouw-met-neergeslagen-blik-1601-1666-guercinoFree Image from public domain licenseHopîtal des Frères de la Charité, Paris: Anne of Austria visiting the charitable work of the monks. Line engraving by A.… https://www.rawpixel.com/image/13997328/image-person-medicine-churchFree Image from public domain licenseHopîtal des Frères de la Charité, Paris: Anne of Austria visiting the charitable work of the monks. Line engraving by A.… https://www.rawpixel.com/image/14002642/image-person-book-medicineFree Image from public domain license