Public domain photograph of 20th-century male portrait painting, free to use, no copyright restrictions image - Picryl description
Oskar Shmerling Public domain photograph related to the history of Russia, free to use, no copyright restrictions image - Picryl description
Беларуская (тарашкевіца): Косаў (Kosaŭ), палац Пуслоўскіх (Pusłoŭski) Public domain photograph related to Polish history, free to use, no copyright restrictions image - Picryl description
From Wikipedia: "The Mountainous Republic of the Northern Caucasus (MRNC; also known as the Mountain Republic or the Republic of the Mountaineers) (1917?1920) was a shortlived state situated in the Northern Cau More
