The Birth of the Virgin by Fra Carnevale (Bartolomeo di Giovanni Corradini) https://www.rawpixel.com/image/9085599/the-birth-the-virgin-fra-carnevale-bartolomeo-giovanni-corradiniFree Image from public domain licenseSaint Francis of Assisi by Antoniazzo Romano (Antonio di Benedetto Aquilio) https://www.rawpixel.com/image/9186050/image-assisi-piero-della-francesca-saint-francisFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child. Engraving by F.-E.Burney after A. Baldovinetti. https://www.rawpixel.com/image/13977424/image-cartoon-face-christFree Image from public domain license