Serbo-Bulgarian War: the field hospital at Greovatz. Coloured wood engraving. https://www.rawpixel.com/image/13964670/serbo-bulgarian-war-the-field-hospital-greovatz-coloured-wood-engravingFree Image from public domain licenseMan from the Bulgarian Coast (1700 - 1737) by Jean Baptiste Vanmour https://www.rawpixel.com/image/13744596/man-from-the-bulgarian-coast-1700-1737-jean-baptiste-vanmourFree Image from public domain licenseWoman from the Bulgarian Coast (1700 - 1737) by Jean Baptiste Vanmour https://www.rawpixel.com/image/13744936/woman-from-the-bulgarian-coast-1700-1737-jean-baptiste-vanmourFree Image from public domain licenseBulgaria travel, stamp tourism collage illustration https://www.rawpixel.com/image/11914490/bulgaria-travel-stamp-tourism-collage-illustrationView licenseBulgaria travel, stamp tourism collage illustration https://www.rawpixel.com/image/11905529/bulgaria-travel-stamp-tourism-collage-illustrationView licenseSerbo-Bulgarian War: sick and wounded at Ak Palanka. Wood engraving by E. Gascoine after J. Schönberg, 1885. https://www.rawpixel.com/image/14018413/image-paper-cat-cartoonFree Image from public domain licenseSerbo-Bulgarian War: arrival of wounded to Belgrade from Slivnitza. Wood engraving by J.N. Schönberg, 1885. https://www.rawpixel.com/image/14017345/image-cartoon-person-artFree Image from public domain licensePlovdiv (Philippopolis), Bulgaria: the hanging of Bulgarians by Turks. Wood engraving after C.R., 1876. https://www.rawpixel.com/image/14014603/image-cartoon-person-artFree Image from public domain licenseSerbo-Bulgarian War: a café scene in Nisch where soldiers and the wounded are at leisure. Wood engraving. https://www.rawpixel.com/image/14012680/image-cartoon-person-artFree Image from public domain licenseSerbo-Bulgarian War: an escorted convoy of ambulances carrying the sick and wounded. Wood engraving by J. Nash. https://www.rawpixel.com/image/14013260/image-plant-person-artFree Image from public domain licenseSerbo-Bulgarian War: the Russian General Dragomirov being treated for his wounds. Wood engraving. https://www.rawpixel.com/image/13995713/image-cartoon-person-artFree Image from public domain licenseSerbo-Bulgarian War: two sketches showing volunteers on their way to the front and hospital camp. Wood engraving by J. Nash. https://www.rawpixel.com/image/13992118/image-dog-cartoon-plantFree Image from public domain licenseExecution of Bulgarians on makeshift gallows in the streets of Adrianople, Turkey. Wood engraving. https://www.rawpixel.com/image/13979645/image-horse-cartoon-personFree Image from public domain licenseSerbo-Bulgarian War: wounded Russian soldiers begging ambulance men to be taken away from the battlefield. Wood engraving. https://www.rawpixel.com/image/13975565/image-horse-cartoon-personFree Image from public domain license