Amurat Kahn II, from Portraits of the Emperors of Turkey by John Young https://www.rawpixel.com/image/8981087/amurat-kahn-ii-from-portraits-the-emperors-turkey-john-youngFree Image from public domain licenseU.S. Army. Base Hospital No.27, Angers, France: Orthopedic Ward No.45, with Balkan Frames. https://www.rawpixel.com/image/9648573/photo-image-face-frames-personFree Image from public domain licenseU.S. Army. Base Hospital No.27, Angers, France: Workshop for reconstruction in connection with orthopedic… https://www.rawpixel.com/image/9652524/photo-image-person-medicine-factoryFree Image from public domain licenseBase Hospital No. 9. Chateauroux, France: Orthopedic Ward (No. 7-A)Collection:Images from the History of Medicine… https://www.rawpixel.com/image/9652522/image-face-person-medicineFree Image from public domain licenseA bear wearing a spiked helmet and a gun is walking over a bridge marked "Protocol" which is supported by rulers of… https://www.rawpixel.com/image/13955791/image-cartoon-face-personFree Image from public domain licenseHead of a prisoner (head of a balkan man) by Ladislav Mednyánszky https://www.rawpixel.com/image/12677310/head-prisoner-head-balkan-man-ladislav-mednyanszkyFree Image from public domain licenseKaart van de Balkan (1738) by anonymous and erven J Ratelband and Co https://www.rawpixel.com/image/13749404/kaart-van-balkan-1738-anonymous-and-erven-ratelband-andFree Image from public domain licenseKaart van de Russisch-Turkse Oorlog, 1828 (1828 - 1829) by Gebroeders Reimeringer and Jan Dirk Brouwer https://www.rawpixel.com/image/13774360/image-paper-world-map-seaFree Image from public domain license