https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English Russian Титульный лист книги "Im Kaukasus. 1862."
BY-SA 3.0 deCreative Commons Attribution-Share Alike 3.0 detruetrue English German Gebirgsjäger im Kaukasus, September 1942 determination method: SHA-1