Christ as Fisher of Men. Coloured stipple engraving by J. Balzer. https://www.rawpixel.com/image/13962510/christ-fisher-men-coloured-stipple-engraving-balzerFree Image from public domain licenseJacobus Joannes Wenceslaus Dobrzenski [Dobrensky] de Nigro Ponte. Line engraving by J. Balzer after J. Kleinhard, 1772. https://www.rawpixel.com/image/14021337/image-face-person-artFree Image from public domain licenseJoannes Marcus Marci. Line engraving by J. Balzer after J. Kleinhard, 1772. https://www.rawpixel.com/image/14007643/joannes-marcus-marci-line-engraving-balzer-after-kleinhard-1772Free Image from public domain licenseNatuurkunde (1772) by Jan Balzer, Matthias Balzer, Johann Kleinhard and Jan Balzer https://www.rawpixel.com/image/13769137/image-paper-cartoon-churchFree Image from public domain licenseA physician examining a urine specimen and referring to a book. Engraving by J. Balzer after D. Teniers, the younger. https://www.rawpixel.com/image/14006365/image-face-person-bookFree Image from public domain licenseJohann Jessenius à Jessen, half-length, with his left hand resting on a skull. Line engraving by J. Balzer, 1772 [], after… https://www.rawpixel.com/image/14015612/image-cartoon-face-handFree Image from public domain license