[The life and activities of N. N. Znamenskiĭ].
D049672:History, 19th Century; D049673:History, 20th Century; D010517:Periodontics / Q000266:history; D011476:Prosthodontics / Q000266:history; D012425:Russia (Pre-1917)
Zhizn' i deiatel'nost' N. N. Znamenskogo.