Twelve French surgeons portrayed as pathological specimens in glass jars. Colour lithograph by A. Barrère, ca. 1910. https://www.rawpixel.com/image/13968973/image-cartoon-face-personFree Image from public domain licenseLandschap met enkele bomen (1872 - 1939) by Egbert Rubertus Derk Schaap https://www.rawpixel.com/image/13790644/landschap-met-enkele-bomen-1872-1939-egbert-rubertus-derk-schaapFree Image from public domain licenseEnkele knotwilgen (1872 - 1939) by Egbert Rubertus Derk Schaap https://www.rawpixel.com/image/13790578/enkele-knotwilgen-1872-1939-egbert-rubertus-derk-schaapFree Image from public domain licenseGezicht op een dorp door de bomen (1872 - 1939) by Egbert Rubertus Derk Schaap https://www.rawpixel.com/image/13790368/gezicht-een-dorp-door-bomen-1872-1939-egbert-rubertus-derk-schaapFree Image from public domain licenseStudie van vier boomstammen (1872 - 1939) by Egbert Rubertus Derk Schaap https://www.rawpixel.com/image/13790382/studie-van-vier-boomstammen-1872-1939-egbert-rubertus-derk-schaapFree Image from public domain licenseLandschap met bomen (1872 - 1939) by Egbert Rubertus Derk Schaap https://www.rawpixel.com/image/13790351/landschap-met-bomen-1872-1939-egbert-rubertus-derk-schaapFree Image from public domain license