[Daniil Semenovich Vorontsov, 70th anniversary of his birth].
D000846:Anniversaries and Special Events; D049672:History, 19th Century; D049673:History, 20th Century; D036801:Parturition
BIOGRAPHIES
Daniil Semenovich Vorontsov; k semidesiateletiiu so dnia rozhdeniia.