[V.N. Katin-Iartsev--physician, revolutionary and traveller].
D003148:Communism / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014586:USSR
V.N. Katin-Iartsev--vrach, revoliutsioner, puteshestvennik.