[Activity of D. Samoĭlovich in the Nikolaev region].
D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D011634:Public Health / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
Deiatel'nost' D. Samoĭlovicha na Nikolaevshchine.