Luther as an Augustinian Friar, with Cap by Lucas Cranach, the Elder https://www.rawpixel.com/image/8972551/luther-augustinian-friar-with-cap-lucas-cranach-the-elderFree Image from public domain licenseElector John Frederick the Magnanimous of Saxony by Georg Pencz https://www.rawpixel.com/image/8975178/elector-john-frederick-the-magnanimous-saxony-georg-penczFree Image from public domain licenseFour Protestant reformers translating the Bible. Lithograph by L. Noel after P.A. Labouchère, 1847. https://www.rawpixel.com/image/13989480/image-face-people-bookFree Image from public domain licenseThe Elector of Saxony, and the Reformers, by L. Cranch by Caldesi and Montecchi https://www.rawpixel.com/image/14314266/the-elector-saxony-and-the-reformers-cranch-caldesi-and-montecchiFree Image from public domain license