title: [A participant in 3 revolutions (Konstantin Khrisanfovich Orlov)].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology; D012425:Russia (Pre-1917); D014857:Warfare
vernacular_title: Uchastnik trekh revoliutsiĭ.