[70th anniversary of the II Congress of the RSDWP].
D003148:Communism; D003226:Congresses as Topic / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
K 70-letiiu II s"ezda RSDR.