[The red doctor (Petr A. Sergievskiĭ)].
D003148:Communism / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D012425:Russia (Pre-1917); D014455:Ukraine
Krasnyĭ doktor (Petr A. Sergievskiĭ)