[V.V Chirkovskiĭ (1875-1956) (on the centenary of his birth)].
D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history; D012426:Russia; D012425:Russia (Pre-1917); D012800:Siberia
V.V. Chirkovskiĭ (1875-1956) (k 100-letiiu so dnia rozhdeniia)