Medical professors at the University of Vienna. Lithograph by J. Stadler, 1855, after A. Prinzhofer, 1853. https://www.rawpixel.com/image/13995981/image-rosas-face-personFree Image from public domain licenseMedical professors at the University of Vienna. Lithograph by J. Stadler, 1856, after A. Prinzhofer, 1853. https://www.rawpixel.com/image/13977623/image-person-art-manFree Image from public domain licenseFifteen medical professors at the University of Vienna. Lithograph by or after A. Prinzhofer, 1853. https://www.rawpixel.com/image/14014338/image-rosas-face-personFree Image from public domain license