Fifteen French doctors wearing aprons and holding various instruments. Colour lithograph by A. Barrère, ca. 1903. https://www.rawpixel.com/image/13959298/image-cartoon-people-bookFree Image from public domain licenseBomen en een landschap met bomen (1834 - 1906) by Maria Vos https://www.rawpixel.com/image/13793991/bomen-een-landschap-met-bomen-1834-1906-maria-vosFree Image from public domain licenseRechterhand, een boer leunend op een schep en een zittende hond (1834 - 1906) by Maria Vos https://www.rawpixel.com/image/13788774/image-dog-paper-cartoonFree Image from public domain licenseBuildings and surgeons and physicians of King's College Hospital, London. Coloured lithograph by Beynon & Company after H.… https://www.rawpixel.com/image/13996831/image-person-medicine-artFree Image from public domain licenseFiguren bij een toren beschenen door maanlicht (1834 - 1906) by Maria Vos https://www.rawpixel.com/image/13788787/figuren-bij-een-toren-beschenen-door-maanlicht-1834-1906-maria-vosFree Image from public domain license