https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13992118Edit ImageSaveSaveEditCropCustom TextSerbo-Bulgarian War: two sketches showing volunteers on their way to the front and hospital camp. Wood engraving by J. Nash.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 913 x 1200 px | 300 dpiLarge JPEG 1329 x 1746 px | 300 dpiFree DownloadSerbo-Bulgarian War: two sketches showing volunteers on their way to the front and hospital camp. Wood engraving by J. Nash.More